128425612

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{111869}}^1$

素因数の和:111921

約数の個数: 24

約数和(自身を含む): 263118240

約数和(自身を除く): 134692628

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 164, 287, 574, 1148, 111869, 223738, 447476, 783083, 1566166, 3132332, 4586629, 9173258, 18346516, 32106403, 64212806, 128425612]

約数ペア:

[(1, 128425612), (2, 64212806), (4, 32106403), (7, 18346516), (14, 9173258), (28, 4586629), (41, 3132332), (82, 1566166), (164, 783083), (287, 447476), (574, 223738), (1148, 111869)]