27878770

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{701}}^1$

素因数の和:846

約数の個数: 32

約数和(自身を含む): 52009776

約数和(自身を除く): 24131006

約数列:

[1, 2, 5, 10, 41, 82, 97, 194, 205, 410, 485, 701, 970, 1402, 3505, 3977, 7010, 7954, 19885, 28741, 39770, 57482, 67997, 135994, 143705, 287410, 339985, 679970, 2787877, 5575754, 13939385, 27878770]

約数ペア:

[(1, 27878770), (2, 13939385), (5, 5575754), (10, 2787877), (41, 679970), (82, 339985), (97, 287410), (194, 143705), (205, 135994), (410, 67997), (485, 57482), (701, 39770), (970, 28741), (1402, 19885), (3505, 7954), (3977, 7010)]