51217201

素因数分解:

$7^2\times {\mathrm{79}}^1\times {\mathrm{101}}^1\times {\mathrm{131}}^1$

素因数の和:325

約数の個数: 24

約数和(自身を含む): 61395840

約数和(自身を除く): 10178639

約数列:

[1, 7, 49, 79, 101, 131, 553, 707, 917, 3871, 4949, 6419, 7979, 10349, 13231, 55853, 72443, 92617, 390971, 507101, 648319, 1045249, 7316743, 51217201]

約数ペア:

[(1, 51217201), (7, 7316743), (49, 1045249), (79, 648319), (101, 507101), (131, 390971), (553, 92617), (707, 72443), (917, 55853), (3871, 13231), (4949, 10349), (6419, 7979)]