201223445

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{229}}^1$

素因数の和:405

約数の個数: 32

約数和(自身を含む): 255995520

約数和(自身を除く): 54772075

約数列:

[1, 5, 43, 61, 67, 215, 229, 305, 335, 1145, 2623, 2881, 4087, 9847, 13115, 13969, 14405, 15343, 20435, 49235, 69845, 76715, 175741, 600667, 659749, 878705, 935923, 3003335, 3298745, 4679615, 40244689, 201223445]

約数ペア:

[(1, 201223445), (5, 40244689), (43, 4679615), (61, 3298745), (67, 3003335), (215, 935923), (229, 878705), (305, 659749), (335, 600667), (1145, 175741), (2623, 76715), (2881, 69845), (4087, 49235), (9847, 20435), (13115, 15343), (13969, 14405)]