317878990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{222293}}^1$

素因数の和:222324

約数の個数: 32

約数和(自身を含む): 672217056

約数和(自身を除く): 354338066

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 222293, 444586, 1111465, 2222930, 2445223, 2889809, 4890446, 5779618, 12226115, 14449045, 24452230, 28898090, 31787899, 63575798, 158939495, 317878990]

約数ペア:

[(1, 317878990), (2, 158939495), (5, 63575798), (10, 31787899), (11, 28898090), (13, 24452230), (22, 14449045), (26, 12226115), (55, 5779618), (65, 4890446), (110, 2889809), (130, 2445223), (143, 2222930), (286, 1111465), (715, 444586), (1430, 222293)]