72665978

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{389}}^1\times {\mathrm{1213}}^1$

素因数の和:1622

約数の個数: 32

約数和(自身を含む): 136356480

約数和(自身を除く): 63690502

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 389, 778, 1213, 2426, 2723, 4279, 5446, 8491, 8558, 13343, 16982, 26686, 29953, 59906, 93401, 186802, 471857, 943714, 3302999, 5190427, 6605998, 10380854, 36332989, 72665978]

約数ペア:

[(1, 72665978), (2, 36332989), (7, 10380854), (11, 6605998), (14, 5190427), (22, 3302999), (77, 943714), (154, 471857), (389, 186802), (778, 93401), (1213, 59906), (2426, 29953), (2723, 26686), (4279, 16982), (5446, 13343), (8491, 8558)]