100821904

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{331651}}^1$

素因数の和:331678

約数の個数: 20

約数和(自身を含む): 205624240

約数和(自身を除く): 104802336

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 331651, 663302, 1326604, 2653208, 5306416, 6301369, 12602738, 25205476, 50410952, 100821904]

約数ペア:

[(1, 100821904), (2, 50410952), (4, 25205476), (8, 12602738), (16, 6301369), (19, 5306416), (38, 2653208), (76, 1326604), (152, 663302), (304, 331651)]