78868216

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1\times {\mathrm{251}}^1$

素因数の和:476

約数の個数: 64

約数和(自身を含む): 176117760

約数和(自身を除く): 97249544

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 181, 217, 248, 251, 362, 434, 502, 724, 868, 1004, 1267, 1448, 1736, 1757, 2008, 2534, 3514, 5068, 5611, 7028, 7781, 10136, 11222, 14056, 15562, 22444, 31124, 39277, 44888, 45431, 54467, 62248, 78554, 90862, 108934, 157108, 181724, 217868, 314216, 318017, 363448, 435736, 636034, 1272068, 1408361, 2544136, 2816722, 5633444, 9858527, 11266888, 19717054, 39434108, 78868216]

約数ペア:

[(1, 78868216), (2, 39434108), (4, 19717054), (7, 11266888), (8, 9858527), (14, 5633444), (28, 2816722), (31, 2544136), (56, 1408361), (62, 1272068), (124, 636034), (181, 435736), (217, 363448), (248, 318017), (251, 314216), (362, 217868), (434, 181724), (502, 157108), (724, 108934), (868, 90862), (1004, 78554), (1267, 62248), (1448, 54467), (1736, 45431), (1757, 44888), (2008, 39277), (2534, 31124), (3514, 22444), (5068, 15562), (5611, 14056), (7028, 11222), (7781, 10136)]