402907895

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{257}}^1\times {\mathrm{271}}^1$

素因数の和:635

約数の個数: 32

約数和(自身を含む): 530530560

約数和(自身を除く): 127622665

約数列:

[1, 5, 13, 65, 89, 257, 271, 445, 1157, 1285, 1355, 3341, 3523, 5785, 16705, 17615, 22873, 24119, 69647, 114365, 120595, 297349, 313547, 348235, 905411, 1486745, 1567735, 4527055, 6198583, 30992915, 80581579, 402907895]

約数ペア:

[(1, 402907895), (5, 80581579), (13, 30992915), (65, 6198583), (89, 4527055), (257, 1567735), (271, 1486745), (445, 905411), (1157, 348235), (1285, 313547), (1355, 297349), (3341, 120595), (3523, 114365), (5785, 69647), (16705, 24119), (17615, 22873)]