72709868

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^3\times {\mathrm{1951}}^1$

素因数の和:1995

約数の個数: 48

約数和(自身を含む): 160032768

約数和(自身を除く): 87322900

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 121, 154, 242, 308, 484, 847, 1331, 1694, 1951, 2662, 3388, 3902, 5324, 7804, 9317, 13657, 18634, 21461, 27314, 37268, 42922, 54628, 85844, 150227, 236071, 300454, 472142, 600908, 944284, 1652497, 2596781, 3304994, 5193562, 6609988, 10387124, 18177467, 36354934, 72709868]

約数ペア:

[(1, 72709868), (2, 36354934), (4, 18177467), (7, 10387124), (11, 6609988), (14, 5193562), (22, 3304994), (28, 2596781), (44, 1652497), (77, 944284), (121, 600908), (154, 472142), (242, 300454), (308, 236071), (484, 150227), (847, 85844), (1331, 54628), (1694, 42922), (1951, 37268), (2662, 27314), (3388, 21461), (3902, 18634), (5324, 13657), (7804, 9317)]