99978725

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{167}}^1\times {\mathrm{311}}^1$

素因数の和:506

約数の個数: 48

約数和(自身を含む): 155990016

約数和(自身を除く): 56011291

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 167, 175, 275, 311, 385, 835, 1169, 1555, 1837, 1925, 2177, 3421, 4175, 5845, 7775, 9185, 10885, 12859, 17105, 23947, 29225, 45925, 51937, 54425, 64295, 85525, 119735, 259685, 321475, 363559, 571307, 598675, 1298425, 1817795, 2856535, 3999149, 9088975, 14282675, 19995745, 99978725]

約数ペア:

[(1, 99978725), (5, 19995745), (7, 14282675), (11, 9088975), (25, 3999149), (35, 2856535), (55, 1817795), (77, 1298425), (167, 598675), (175, 571307), (275, 363559), (311, 321475), (385, 259685), (835, 119735), (1169, 85525), (1555, 64295), (1837, 54425), (1925, 51937), (2177, 45925), (3421, 29225), (4175, 23947), (5845, 17105), (7775, 12859), (9185, 10885)]