981688490

素因数分解:

$2^1\times 5^1\times {\mathrm{709}}^1\times {\mathrm{138461}}^1$

素因数の和:139177

約数の個数: 16

約数和(自身を含む): 1769544360

約数和(自身を除く): 787855870

約数列:

[1, 2, 5, 10, 709, 1418, 3545, 7090, 138461, 276922, 692305, 1384610, 98168849, 196337698, 490844245, 981688490]

約数ペア:

[(1, 981688490), (2, 490844245), (5, 196337698), (10, 98168849), (709, 1384610), (1418, 692305), (3545, 276922), (7090, 138461)]