221416

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{2129}}^1$

素因数の和:2148

約数の個数: 16

約数和(自身を含む): 447300

約数和(自身を除く): 225884

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 2129, 4258, 8516, 17032, 27677, 55354, 110708, 221416]

約数ペア:

[(1, 221416), (2, 110708), (4, 55354), (8, 27677), (13, 17032), (26, 8516), (52, 4258), (104, 2129)]