31859516

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{571}}^1$

素因数の和:654

約数の個数: 48

約数和(自身を含む): 63903840

約数和(自身を除く): 32044324

約数列:

[1, 2, 4, 13, 26, 29, 37, 52, 58, 74, 116, 148, 377, 481, 571, 754, 962, 1073, 1142, 1508, 1924, 2146, 2284, 4292, 7423, 13949, 14846, 16559, 21127, 27898, 29692, 33118, 42254, 55796, 66236, 84508, 215267, 274651, 430534, 549302, 612683, 861068, 1098604, 1225366, 2450732, 7964879, 15929758, 31859516]

約数ペア:

[(1, 31859516), (2, 15929758), (4, 7964879), (13, 2450732), (26, 1225366), (29, 1098604), (37, 861068), (52, 612683), (58, 549302), (74, 430534), (116, 274651), (148, 215267), (377, 84508), (481, 66236), (571, 55796), (754, 42254), (962, 33118), (1073, 29692), (1142, 27898), (1508, 21127), (1924, 16559), (2146, 14846), (2284, 13949), (4292, 7423)]