28201248

素因数分解:

$2^5\times 3^2\times {\mathrm{181}}^1\times {\mathrm{541}}^1$

素因数の和:738

約数の個数: 72

約数和(自身を含む): 80789436

約数和(自身を除く): 52588188

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 181, 288, 362, 541, 543, 724, 1082, 1086, 1448, 1623, 1629, 2164, 2172, 2896, 3246, 3258, 4328, 4344, 4869, 5792, 6492, 6516, 8656, 8688, 9738, 12984, 13032, 17312, 17376, 19476, 25968, 26064, 38952, 51936, 52128, 77904, 97921, 155808, 195842, 293763, 391684, 587526, 783368, 881289, 1175052, 1566736, 1762578, 2350104, 3133472, 3525156, 4700208, 7050312, 9400416, 14100624, 28201248]

約数ペア:

[(1, 28201248), (2, 14100624), (3, 9400416), (4, 7050312), (6, 4700208), (8, 3525156), (9, 3133472), (12, 2350104), (16, 1762578), (18, 1566736), (24, 1175052), (32, 881289), (36, 783368), (48, 587526), (72, 391684), (96, 293763), (144, 195842), (181, 155808), (288, 97921), (362, 77904), (541, 52128), (543, 51936), (724, 38952), (1082, 26064), (1086, 25968), (1448, 19476), (1623, 17376), (1629, 17312), (2164, 13032), (2172, 12984), (2896, 9738), (3246, 8688), (3258, 8656), (4328, 6516), (4344, 6492), (4869, 5792)]