31031104

素因数分解:

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

素因数の和:208

約数の個数: 84

約数和(自身を含む): 70652640

約数和(自身を除く): 39621536

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 64, 76, 104, 151, 152, 169, 208, 247, 302, 304, 338, 416, 494, 604, 608, 676, 832, 988, 1208, 1216, 1352, 1963, 1976, 2416, 2704, 2869, 3211, 3926, 3952, 4832, 5408, 5738, 6422, 7852, 7904, 9664, 10816, 11476, 12844, 15704, 15808, 22952, 25519, 25688, 31408, 37297, 45904, 51038, 51376, 62816, 74594, 91808, 102076, 102752, 125632, 149188, 183616, 204152, 205504, 298376, 408304, 484861, 596752, 816608, 969722, 1193504, 1633216, 1939444, 2387008, 3878888, 7757776, 15515552, 31031104]

約数ペア:

[(1, 31031104), (2, 15515552), (4, 7757776), (8, 3878888), (13, 2387008), (16, 1939444), (19, 1633216), (26, 1193504), (32, 969722), (38, 816608), (52, 596752), (64, 484861), (76, 408304), (104, 298376), (151, 205504), (152, 204152), (169, 183616), (208, 149188), (247, 125632), (302, 102752), (304, 102076), (338, 91808), (416, 74594), (494, 62816), (604, 51376), (608, 51038), (676, 45904), (832, 37297), (988, 31408), (1208, 25688), (1216, 25519), (1352, 22952), (1963, 15808), (1976, 15704), (2416, 12844), (2704, 11476), (2869, 10816), (3211, 9664), (3926, 7904), (3952, 7852), (4832, 6422), (5408, 5738)]