218411428

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{137}}^1\times {\mathrm{9721}}^1$

素因数の和:9903

約数の個数: 24

約数和(自身を含む): 394440984

約数和(自身を除く): 176029556

約数列:

[1, 2, 4, 41, 82, 137, 164, 274, 548, 5617, 9721, 11234, 19442, 22468, 38884, 398561, 797122, 1331777, 1594244, 2663554, 5327108, 54602857, 109205714, 218411428]

約数ペア:

[(1, 218411428), (2, 109205714), (4, 54602857), (41, 5327108), (82, 2663554), (137, 1594244), (164, 1331777), (274, 797122), (548, 398561), (5617, 38884), (9721, 22468), (11234, 19442)]