7121290

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{1579}}^1$

素因数の和:1638

約数の個数: 32

約数和(自身を含む): 14333760

約数和(自身を除く): 7212470

約数列:

[1, 2, 5, 10, 11, 22, 41, 55, 82, 110, 205, 410, 451, 902, 1579, 2255, 3158, 4510, 7895, 15790, 17369, 34738, 64739, 86845, 129478, 173690, 323695, 647390, 712129, 1424258, 3560645, 7121290]

約数ペア:

[(1, 7121290), (2, 3560645), (5, 1424258), (10, 712129), (11, 647390), (22, 323695), (41, 173690), (55, 129478), (82, 86845), (110, 64739), (205, 34738), (410, 17369), (451, 15790), (902, 7895), (1579, 4510), (2255, 3158)]