78380575

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{263}}^1$

素因数の和:424

約数の個数: 48

約数和(自身を含む): 120992256

約数和(自身を除く): 42611681

約数列:

[1, 5, 7, 13, 25, 35, 65, 91, 131, 175, 263, 325, 455, 655, 917, 1315, 1703, 1841, 2275, 3275, 3419, 4585, 6575, 8515, 9205, 11921, 17095, 22925, 23933, 34453, 42575, 46025, 59605, 85475, 119665, 172265, 241171, 298025, 447889, 598325, 861325, 1205855, 2239445, 3135223, 6029275, 11197225, 15676115, 78380575]

約数ペア:

[(1, 78380575), (5, 15676115), (7, 11197225), (13, 6029275), (25, 3135223), (35, 2239445), (65, 1205855), (91, 861325), (131, 598325), (175, 447889), (263, 298025), (325, 241171), (455, 172265), (655, 119665), (917, 85475), (1315, 59605), (1703, 46025), (1841, 42575), (2275, 34453), (3275, 23933), (3419, 22925), (4585, 17095), (6575, 11921), (8515, 9205)]