28257944

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1453}}^1$

素因数の和:1500

約数の個数: 64

約数和(自身を含む): 65953440

約数和(自身を除く): 37695496

約数列:

[1, 2, 4, 8, 11, 13, 17, 22, 26, 34, 44, 52, 68, 88, 104, 136, 143, 187, 221, 286, 374, 442, 572, 748, 884, 1144, 1453, 1496, 1768, 2431, 2906, 4862, 5812, 9724, 11624, 15983, 18889, 19448, 24701, 31966, 37778, 49402, 63932, 75556, 98804, 127864, 151112, 197608, 207779, 271711, 321113, 415558, 543422, 642226, 831116, 1086844, 1284452, 1662232, 2173688, 2568904, 3532243, 7064486, 14128972, 28257944]

約数ペア:

[(1, 28257944), (2, 14128972), (4, 7064486), (8, 3532243), (11, 2568904), (13, 2173688), (17, 1662232), (22, 1284452), (26, 1086844), (34, 831116), (44, 642226), (52, 543422), (68, 415558), (88, 321113), (104, 271711), (136, 207779), (143, 197608), (187, 151112), (221, 127864), (286, 98804), (374, 75556), (442, 63932), (572, 49402), (748, 37778), (884, 31966), (1144, 24701), (1453, 19448), (1496, 18889), (1768, 15983), (2431, 11624), (2906, 9724), (4862, 5812)]