28504788

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{163}}^1$

素因数の和:261

約数の個数: 96

約数和(自身を含む): 77145600

約数和(自身を除く): 48640812

約数列:

[1, 2, 3, 4, 6, 12, 13, 19, 26, 38, 39, 52, 57, 59, 76, 78, 114, 118, 156, 163, 177, 228, 236, 247, 326, 354, 489, 494, 652, 708, 741, 767, 978, 988, 1121, 1482, 1534, 1956, 2119, 2242, 2301, 2964, 3068, 3097, 3363, 4238, 4484, 4602, 6194, 6357, 6726, 8476, 9204, 9291, 9617, 12388, 12714, 13452, 14573, 18582, 19234, 25428, 28851, 29146, 37164, 38468, 40261, 43719, 57702, 58292, 80522, 87438, 115404, 120783, 125021, 161044, 174876, 182723, 241566, 250042, 365446, 375063, 483132, 500084, 548169, 730892, 750126, 1096338, 1500252, 2192676, 2375399, 4750798, 7126197, 9501596, 14252394, 28504788]

約数ペア:

[(1, 28504788), (2, 14252394), (3, 9501596), (4, 7126197), (6, 4750798), (12, 2375399), (13, 2192676), (19, 1500252), (26, 1096338), (38, 750126), (39, 730892), (52, 548169), (57, 500084), (59, 483132), (76, 375063), (78, 365446), (114, 250042), (118, 241566), (156, 182723), (163, 174876), (177, 161044), (228, 125021), (236, 120783), (247, 115404), (326, 87438), (354, 80522), (489, 58292), (494, 57702), (652, 43719), (708, 40261), (741, 38468), (767, 37164), (978, 29146), (988, 28851), (1121, 25428), (1482, 19234), (1534, 18582), (1956, 14573), (2119, 13452), (2242, 12714), (2301, 12388), (2964, 9617), (3068, 9291), (3097, 9204), (3363, 8476), (4238, 6726), (4484, 6357), (4602, 6194)]