64601575

素因数分解:

$5^2\times {\mathrm{109}}^1\times {\mathrm{151}}^1\times {\mathrm{157}}^1$

素因数の和:427

約数の個数: 24

約数和(自身を含む): 81894560

約数和(自身を除く): 17292985

約数列:

[1, 5, 25, 109, 151, 157, 545, 755, 785, 2725, 3775, 3925, 16459, 17113, 23707, 82295, 85565, 118535, 411475, 427825, 592675, 2584063, 12920315, 64601575]

約数ペア:

[(1, 64601575), (5, 12920315), (25, 2584063), (109, 592675), (151, 427825), (157, 411475), (545, 118535), (755, 85565), (785, 82295), (2725, 23707), (3775, 17113), (3925, 16459)]