90871556

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{131}}^1$

素因数の和:324

約数の個数: 48

約数和(自身を含む): 169942080

約数和(自身を除く): 79070524

約数列:

[1, 2, 4, 37, 43, 74, 86, 109, 131, 148, 172, 218, 262, 436, 524, 1591, 3182, 4033, 4687, 4847, 5633, 6364, 8066, 9374, 9694, 11266, 14279, 16132, 18748, 19388, 22532, 28558, 57116, 173419, 208421, 346838, 416842, 528323, 613997, 693676, 833684, 1056646, 1227994, 2113292, 2455988, 22717889, 45435778, 90871556]

約数ペア:

[(1, 90871556), (2, 45435778), (4, 22717889), (37, 2455988), (43, 2113292), (74, 1227994), (86, 1056646), (109, 833684), (131, 693676), (148, 613997), (172, 528323), (218, 416842), (262, 346838), (436, 208421), (524, 173419), (1591, 57116), (3182, 28558), (4033, 22532), (4687, 19388), (4847, 18748), (5633, 16132), (6364, 14279), (8066, 11266), (9374, 9694)]