81004828

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1\times {\mathrm{173}}^1$

素因数の和:358

約数の個数: 48

約数和(自身を含む): 154052640

約数和(自身を除く): 73047812

約数列:

[1, 2, 4, 19, 38, 61, 76, 101, 122, 173, 202, 244, 346, 404, 692, 1159, 1919, 2318, 3287, 3838, 4636, 6161, 6574, 7676, 10553, 12322, 13148, 17473, 21106, 24644, 34946, 42212, 69892, 117059, 200507, 234118, 331987, 401014, 468236, 663974, 802028, 1065853, 1327948, 2131706, 4263412, 20251207, 40502414, 81004828]

約数ペア:

[(1, 81004828), (2, 40502414), (4, 20251207), (19, 4263412), (38, 2131706), (61, 1327948), (76, 1065853), (101, 802028), (122, 663974), (173, 468236), (202, 401014), (244, 331987), (346, 234118), (404, 200507), (692, 117059), (1159, 69892), (1919, 42212), (2318, 34946), (3287, 24644), (3838, 21106), (4636, 17473), (6161, 13148), (6574, 12322), (7676, 10553)]