221369848

素因数分解:

$2^3\times 7^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{571}}^1$

素因数の和:657

約数の個数: 96

約数和(自身を含む): 516447360

約数和(自身を除く): 295077512

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 43, 46, 49, 56, 86, 92, 98, 161, 172, 184, 196, 301, 322, 344, 392, 571, 602, 644, 989, 1127, 1142, 1204, 1288, 1978, 2107, 2254, 2284, 2408, 3956, 3997, 4214, 4508, 4568, 6923, 7912, 7994, 8428, 9016, 13133, 13846, 15988, 16856, 24553, 26266, 27692, 27979, 31976, 48461, 49106, 52532, 55384, 55958, 91931, 96922, 98212, 105064, 111916, 171871, 183862, 193844, 196424, 223832, 343742, 367724, 387688, 564719, 643517, 687484, 735448, 1129438, 1203097, 1287034, 1374968, 2258876, 2406194, 2574068, 3953033, 4517752, 4812388, 5148136, 7906066, 9624776, 15812132, 27671231, 31624264, 55342462, 110684924, 221369848]

約数ペア:

[(1, 221369848), (2, 110684924), (4, 55342462), (7, 31624264), (8, 27671231), (14, 15812132), (23, 9624776), (28, 7906066), (43, 5148136), (46, 4812388), (49, 4517752), (56, 3953033), (86, 2574068), (92, 2406194), (98, 2258876), (161, 1374968), (172, 1287034), (184, 1203097), (196, 1129438), (301, 735448), (322, 687484), (344, 643517), (392, 564719), (571, 387688), (602, 367724), (644, 343742), (989, 223832), (1127, 196424), (1142, 193844), (1204, 183862), (1288, 171871), (1978, 111916), (2107, 105064), (2254, 98212), (2284, 96922), (2408, 91931), (3956, 55958), (3997, 55384), (4214, 52532), (4508, 49106), (4568, 48461), (6923, 31976), (7912, 27979), (7994, 27692), (8428, 26266), (9016, 24553), (13133, 16856), (13846, 15988)]