218370966

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{223}}^1\times {\mathrm{401}}^1$

素因数の和:677

約数の個数: 64

約数和(自身を含む): 492742656

約数和(自身を除く): 274371690

約数列:

[1, 2, 3, 6, 11, 22, 33, 37, 66, 74, 111, 222, 223, 401, 407, 446, 669, 802, 814, 1203, 1221, 1338, 2406, 2442, 2453, 4411, 4906, 7359, 8251, 8822, 13233, 14718, 14837, 16502, 24753, 26466, 29674, 44511, 49506, 89022, 89423, 90761, 163207, 178846, 181522, 268269, 272283, 326414, 489621, 536538, 544566, 979242, 983653, 1967306, 2950959, 3308651, 5901918, 6617302, 9925953, 19851906, 36395161, 72790322, 109185483, 218370966]

約数ペア:

[(1, 218370966), (2, 109185483), (3, 72790322), (6, 36395161), (11, 19851906), (22, 9925953), (33, 6617302), (37, 5901918), (66, 3308651), (74, 2950959), (111, 1967306), (222, 983653), (223, 979242), (401, 544566), (407, 536538), (446, 489621), (669, 326414), (802, 272283), (814, 268269), (1203, 181522), (1221, 178846), (1338, 163207), (2406, 90761), (2442, 89423), (2453, 89022), (4411, 49506), (4906, 44511), (7359, 29674), (8251, 26466), (8822, 24753), (13233, 16502), (14718, 14837)]