217217728

素因数分解:

$2^6\times 7^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{151}}^1$

素因数の和:215

約数の個数: 168

約数和(自身を含む): 565221120

約数和(自身を除く): 348003392

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 19, 26, 28, 32, 38, 52, 56, 64, 76, 91, 104, 112, 133, 151, 152, 169, 182, 208, 224, 247, 266, 302, 304, 338, 364, 416, 448, 494, 532, 604, 608, 676, 728, 832, 988, 1057, 1064, 1183, 1208, 1216, 1352, 1456, 1729, 1963, 1976, 2114, 2128, 2366, 2416, 2704, 2869, 2912, 3211, 3458, 3926, 3952, 4228, 4256, 4732, 4832, 5408, 5738, 5824, 6422, 6916, 7852, 7904, 8456, 8512, 9464, 9664, 10816, 11476, 12844, 13741, 13832, 15704, 15808, 16912, 18928, 20083, 22477, 22952, 25519, 25688, 27482, 27664, 31408, 33824, 37297, 37856, 40166, 44954, 45904, 51038, 51376, 54964, 55328, 62816, 67648, 74594, 75712, 80332, 89908, 91808, 102076, 102752, 109928, 110656, 125632, 149188, 160664, 178633, 179816, 183616, 204152, 205504, 219856, 261079, 298376, 321328, 357266, 359632, 408304, 439712, 484861, 522158, 596752, 642656, 714532, 719264, 816608, 879424, 969722, 1044316, 1193504, 1285312, 1429064, 1438528, 1633216, 1939444, 2088632, 2387008, 2858128, 3394027, 3878888, 4177264, 5716256, 6788054, 7757776, 8354528, 11432512, 13576108, 15515552, 16709056, 27152216, 31031104, 54304432, 108608864, 217217728]

約数ペア:

[(1, 217217728), (2, 108608864), (4, 54304432), (7, 31031104), (8, 27152216), (13, 16709056), (14, 15515552), (16, 13576108), (19, 11432512), (26, 8354528), (28, 7757776), (32, 6788054), (38, 5716256), (52, 4177264), (56, 3878888), (64, 3394027), (76, 2858128), (91, 2387008), (104, 2088632), (112, 1939444), (133, 1633216), (151, 1438528), (152, 1429064), (169, 1285312), (182, 1193504), (208, 1044316), (224, 969722), (247, 879424), (266, 816608), (302, 719264), (304, 714532), (338, 642656), (364, 596752), (416, 522158), (448, 484861), (494, 439712), (532, 408304), (604, 359632), (608, 357266), (676, 321328), (728, 298376), (832, 261079), (988, 219856), (1057, 205504), (1064, 204152), (1183, 183616), (1208, 179816), (1216, 178633), (1352, 160664), (1456, 149188), (1729, 125632), (1963, 110656), (1976, 109928), (2114, 102752), (2128, 102076), (2366, 91808), (2416, 89908), (2704, 80332), (2869, 75712), (2912, 74594), (3211, 67648), (3458, 62816), (3926, 55328), (3952, 54964), (4228, 51376), (4256, 51038), (4732, 45904), (4832, 44954), (5408, 40166), (5738, 37856), (5824, 37297), (6422, 33824), (6916, 31408), (7852, 27664), (7904, 27482), (8456, 25688), (8512, 25519), (9464, 22952), (9664, 22477), (10816, 20083), (11476, 18928), (12844, 16912), (13741, 15808), (13832, 15704)]