28774438

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{379}}^1$

素因数の和:445

約数の個数: 64

約数和(自身を含む): 59097600

約数和(自身を除く): 30323162

約数列:

[1, 2, 7, 11, 14, 17, 22, 29, 34, 58, 77, 119, 154, 187, 203, 238, 319, 374, 379, 406, 493, 638, 758, 986, 1309, 2233, 2618, 2653, 3451, 4169, 4466, 5306, 5423, 6443, 6902, 8338, 10846, 10991, 12886, 21982, 29183, 37961, 45101, 58366, 70873, 75922, 76937, 90202, 120901, 141746, 153874, 186847, 241802, 373694, 496111, 846307, 992222, 1307929, 1692614, 2055317, 2615858, 4110634, 14387219, 28774438]

約数ペア:

[(1, 28774438), (2, 14387219), (7, 4110634), (11, 2615858), (14, 2055317), (17, 1692614), (22, 1307929), (29, 992222), (34, 846307), (58, 496111), (77, 373694), (119, 241802), (154, 186847), (187, 153874), (203, 141746), (238, 120901), (319, 90202), (374, 76937), (379, 75922), (406, 70873), (493, 58366), (638, 45101), (758, 37961), (986, 29183), (1309, 21982), (2233, 12886), (2618, 10991), (2653, 10846), (3451, 8338), (4169, 6902), (4466, 6443), (5306, 5423)]