8893976

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{643}}^1$

素因数の和:688

約数の個数: 64

約数和(自身を含む): 21638400

約数和(自身を除く): 12744424

約数列:

[1, 2, 4, 7, 8, 13, 14, 19, 26, 28, 38, 52, 56, 76, 91, 104, 133, 152, 182, 247, 266, 364, 494, 532, 643, 728, 988, 1064, 1286, 1729, 1976, 2572, 3458, 4501, 5144, 6916, 8359, 9002, 12217, 13832, 16718, 18004, 24434, 33436, 36008, 48868, 58513, 66872, 85519, 97736, 117026, 158821, 171038, 234052, 317642, 342076, 468104, 635284, 684152, 1111747, 1270568, 2223494, 4446988, 8893976]

約数ペア:

[(1, 8893976), (2, 4446988), (4, 2223494), (7, 1270568), (8, 1111747), (13, 684152), (14, 635284), (19, 468104), (26, 342076), (28, 317642), (38, 234052), (52, 171038), (56, 158821), (76, 117026), (91, 97736), (104, 85519), (133, 66872), (152, 58513), (182, 48868), (247, 36008), (266, 33436), (364, 24434), (494, 18004), (532, 16718), (643, 13832), (728, 12217), (988, 9002), (1064, 8359), (1286, 6916), (1729, 5144), (1976, 4501), (2572, 3458)]