551426512

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{643}}^1$

素因数の和:721

約数の個数: 160

約数和(自身を含む): 1431019520

約数和(自身を除く): 879593008

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 19, 26, 28, 31, 38, 52, 56, 62, 76, 91, 104, 112, 124, 133, 152, 182, 208, 217, 247, 248, 266, 304, 364, 403, 434, 494, 496, 532, 589, 643, 728, 806, 868, 988, 1064, 1178, 1286, 1456, 1612, 1729, 1736, 1976, 2128, 2356, 2572, 2821, 3224, 3458, 3472, 3952, 4123, 4501, 4712, 5144, 5642, 6448, 6916, 7657, 8246, 8359, 9002, 9424, 10288, 11284, 12217, 13832, 15314, 16492, 16718, 18004, 19933, 22568, 24434, 27664, 30628, 32984, 33436, 36008, 39866, 45136, 48868, 53599, 58513, 61256, 65968, 66872, 72016, 79732, 85519, 97736, 107198, 117026, 122512, 133744, 139531, 158821, 159464, 171038, 195472, 214396, 234052, 259129, 279062, 317642, 318928, 342076, 378727, 428792, 468104, 518258, 558124, 635284, 684152, 757454, 857584, 936208, 1036516, 1111747, 1116248, 1270568, 1368304, 1514908, 1813903, 2073032, 2223494, 2232496, 2541136, 2651089, 3029816, 3627806, 4146064, 4446988, 4923451, 5302178, 6059632, 7255612, 8893976, 9846902, 10604356, 14511224, 17787952, 19693804, 21208712, 29022448, 34464157, 39387608, 42417424, 68928314, 78775216, 137856628, 275713256, 551426512]

約数ペア:

[(1, 551426512), (2, 275713256), (4, 137856628), (7, 78775216), (8, 68928314), (13, 42417424), (14, 39387608), (16, 34464157), (19, 29022448), (26, 21208712), (28, 19693804), (31, 17787952), (38, 14511224), (52, 10604356), (56, 9846902), (62, 8893976), (76, 7255612), (91, 6059632), (104, 5302178), (112, 4923451), (124, 4446988), (133, 4146064), (152, 3627806), (182, 3029816), (208, 2651089), (217, 2541136), (247, 2232496), (248, 2223494), (266, 2073032), (304, 1813903), (364, 1514908), (403, 1368304), (434, 1270568), (494, 1116248), (496, 1111747), (532, 1036516), (589, 936208), (643, 857584), (728, 757454), (806, 684152), (868, 635284), (988, 558124), (1064, 518258), (1178, 468104), (1286, 428792), (1456, 378727), (1612, 342076), (1729, 318928), (1736, 317642), (1976, 279062), (2128, 259129), (2356, 234052), (2572, 214396), (2821, 195472), (3224, 171038), (3458, 159464), (3472, 158821), (3952, 139531), (4123, 133744), (4501, 122512), (4712, 117026), (5144, 107198), (5642, 97736), (6448, 85519), (6916, 79732), (7657, 72016), (8246, 66872), (8359, 65968), (9002, 61256), (9424, 58513), (10288, 53599), (11284, 48868), (12217, 45136), (13832, 39866), (15314, 36008), (16492, 33436), (16718, 32984), (18004, 30628), (19933, 27664), (22568, 24434)]