217953848

素因数分解:

$2^3\times 7^1\times {\mathrm{137}}^1\times {\mathrm{28409}}^1$

素因数の和:28559

約数の個数: 32

約数和(自身を含む): 470469600

約数和(自身を除く): 252515752

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 137, 274, 548, 959, 1096, 1918, 3836, 7672, 28409, 56818, 113636, 198863, 227272, 397726, 795452, 1590904, 3892033, 7784066, 15568132, 27244231, 31136264, 54488462, 108976924, 217953848]

約数ペア:

[(1, 217953848), (2, 108976924), (4, 54488462), (7, 31136264), (8, 27244231), (14, 15568132), (28, 7784066), (56, 3892033), (137, 1590904), (274, 795452), (548, 397726), (959, 227272), (1096, 198863), (1918, 113636), (3836, 56818), (7672, 28409)]