71647225

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{2477}}^1$

素因数の和:2589

約数の個数: 24

約数和(自身を含む): 96790680

約数和(自身を除く): 25143455

約数列:

[1, 5, 13, 25, 65, 89, 325, 445, 1157, 2225, 2477, 5785, 12385, 28925, 32201, 61925, 161005, 220453, 805025, 1102265, 2865889, 5511325, 14329445, 71647225]

約数ペア:

[(1, 71647225), (5, 14329445), (13, 5511325), (25, 2865889), (65, 1102265), (89, 805025), (325, 220453), (445, 161005), (1157, 61925), (2225, 32201), (2477, 28925), (5785, 12385)]