221330252

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{1619}}^1$

素因数の和:1886

約数の個数: 48

約数和(自身を含む): 457228800

約数和(自身を除く): 235898548

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 239, 286, 478, 572, 956, 1619, 2629, 3107, 3238, 5258, 6214, 6476, 10516, 12428, 17809, 21047, 34177, 35618, 42094, 68354, 71236, 84188, 136708, 231517, 386941, 463034, 773882, 926068, 1547764, 4256351, 5030233, 8512702, 10060466, 17025404, 20120932, 55332563, 110665126, 221330252]

約数ペア:

[(1, 221330252), (2, 110665126), (4, 55332563), (11, 20120932), (13, 17025404), (22, 10060466), (26, 8512702), (44, 5030233), (52, 4256351), (143, 1547764), (239, 926068), (286, 773882), (478, 463034), (572, 386941), (956, 231517), (1619, 136708), (2629, 84188), (3107, 71236), (3238, 68354), (5258, 42094), (6214, 35618), (6476, 34177), (10516, 21047), (12428, 17809)]