123976456

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{547}}^1\times {\mathrm{691}}^1$

素因数の和:1285

約数の個数: 32

約数和(自身を含む): 238906080

約数和(自身を除く): 114929624

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 547, 691, 1094, 1382, 2188, 2764, 4376, 5528, 22427, 28331, 44854, 56662, 89708, 113324, 179416, 226648, 377977, 755954, 1511908, 3023816, 15497057, 30994114, 61988228, 123976456]

約数ペア:

[(1, 123976456), (2, 61988228), (4, 30994114), (8, 15497057), (41, 3023816), (82, 1511908), (164, 755954), (328, 377977), (547, 226648), (691, 179416), (1094, 113324), (1382, 89708), (2188, 56662), (2764, 44854), (4376, 28331), (5528, 22427)]