15860156

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1$

素因数の和:278

約数の個数: 48

約数和(自身を含む): 31752000

約数和(自身を除く): 15891844

約数列:

[1, 2, 4, 13, 23, 26, 46, 52, 89, 92, 149, 178, 298, 299, 356, 596, 598, 1157, 1196, 1937, 2047, 2314, 3427, 3874, 4094, 4628, 6854, 7748, 8188, 13261, 13708, 26522, 26611, 44551, 53044, 53222, 89102, 106444, 172393, 178204, 305003, 344786, 610006, 689572, 1220012, 3965039, 7930078, 15860156]

約数ペア:

[(1, 15860156), (2, 7930078), (4, 3965039), (13, 1220012), (23, 689572), (26, 610006), (46, 344786), (52, 305003), (89, 178204), (92, 172393), (149, 106444), (178, 89102), (298, 53222), (299, 53044), (356, 44551), (596, 26611), (598, 26522), (1157, 13708), (1196, 13261), (1937, 8188), (2047, 7748), (2314, 6854), (3427, 4628), (3874, 4094)]