201291307

素因数分解:

$7^1\times {\mathrm{113}}^1\times {\mathrm{397}}^1\times {\mathrm{641}}^1$

素因数の和:1158

約数の個数: 16

約数和(自身を含む): 233030592

約数和(自身を除く): 31739285

約数列:

[1, 7, 113, 397, 641, 791, 2779, 4487, 44861, 72433, 254477, 314027, 507031, 1781339, 28755901, 201291307]

約数ペア:

[(1, 201291307), (7, 28755901), (113, 1781339), (397, 507031), (641, 314027), (791, 254477), (2779, 72433), (4487, 44861)]