28949428

素因数分解:

$2^2\times {\mathrm{101}}^1\times {\mathrm{131}}^1\times {\mathrm{547}}^1$

素因数の和:783

約数の個数: 24

約数和(自身を含む): 51647904

約数和(自身を除く): 22698476

約数列:

[1, 2, 4, 101, 131, 202, 262, 404, 524, 547, 1094, 2188, 13231, 26462, 52924, 55247, 71657, 110494, 143314, 220988, 286628, 7237357, 14474714, 28949428]

約数ペア:

[(1, 28949428), (2, 14474714), (4, 7237357), (101, 286628), (131, 220988), (202, 143314), (262, 110494), (404, 71657), (524, 55247), (547, 52924), (1094, 26462), (2188, 13231)]