221510401

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{733}}^1\times {\mathrm{1877}}^1$

素因数の和:2640

約数の個数: 16

約数和(自身を含む): 264662784

約数和(自身を除く): 43152383

約数列:

[1, 7, 23, 161, 733, 1877, 5131, 13139, 16859, 43171, 118013, 302197, 1375841, 9630887, 31644343, 221510401]

約数ペア:

[(1, 221510401), (7, 31644343), (23, 9630887), (161, 1375841), (733, 302197), (1877, 118013), (5131, 43171), (13139, 16859)]