201721268

素因数分解:

$2^2\times 7^1\times {\mathrm{283}}^1\times {\mathrm{25457}}^1$

素因数の和:25751

約数の個数: 24

約数和(自身を含む): 404884032

約数和(自身を除く): 203162764

約数列:

[1, 2, 4, 7, 14, 28, 283, 566, 1132, 1981, 3962, 7924, 25457, 50914, 101828, 178199, 356398, 712796, 7204331, 14408662, 28817324, 50430317, 100860634, 201721268]

約数ペア:

[(1, 201721268), (2, 100860634), (4, 50430317), (7, 28817324), (14, 14408662), (28, 7204331), (283, 712796), (566, 356398), (1132, 178199), (1981, 101828), (3962, 50914), (7924, 25457)]