8520148

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{263}}^1$

素因数の和:376

約数の個数: 48

約数和(自身を含む): 18627840

約数和(自身を除く): 10107692

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 89, 91, 178, 182, 263, 356, 364, 526, 623, 1052, 1157, 1246, 1841, 2314, 2492, 3419, 3682, 4628, 6838, 7364, 8099, 13676, 16198, 23407, 23933, 32396, 46814, 47866, 93628, 95732, 163849, 304291, 327698, 608582, 655396, 1217164, 2130037, 4260074, 8520148]

約数ペア:

[(1, 8520148), (2, 4260074), (4, 2130037), (7, 1217164), (13, 655396), (14, 608582), (26, 327698), (28, 304291), (52, 163849), (89, 95732), (91, 93628), (178, 47866), (182, 46814), (263, 32396), (356, 23933), (364, 23407), (526, 16198), (623, 13676), (1052, 8099), (1157, 7364), (1246, 6838), (1841, 4628), (2314, 3682), (2492, 3419)]