1279130125

素因数分解:

$5^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{809}}^1$

素因数の和:983

約数の個数: 64

約数和(自身を含む): 1981324800

約数和(自身を除く): 702194675

約数列:

[1, 5, 7, 13, 25, 35, 65, 91, 125, 139, 175, 325, 455, 695, 809, 875, 973, 1625, 1807, 2275, 3475, 4045, 4865, 5663, 9035, 10517, 11375, 12649, 17375, 20225, 24325, 28315, 45175, 52585, 63245, 73619, 101125, 112451, 121625, 141575, 225875, 262925, 316225, 368095, 562255, 707875, 787157, 1314625, 1461863, 1581125, 1840475, 2811275, 3935785, 7309315, 9202375, 10233041, 14056375, 19678925, 36546575, 51165205, 98394625, 182732875, 255826025, 1279130125]

約数ペア:

[(1, 1279130125), (5, 255826025), (7, 182732875), (13, 98394625), (25, 51165205), (35, 36546575), (65, 19678925), (91, 14056375), (125, 10233041), (139, 9202375), (175, 7309315), (325, 3935785), (455, 2811275), (695, 1840475), (809, 1581125), (875, 1461863), (973, 1314625), (1625, 787157), (1807, 707875), (2275, 562255), (3475, 368095), (4045, 316225), (4865, 262925), (5663, 225875), (9035, 141575), (10517, 121625), (11375, 112451), (12649, 101125), (17375, 73619), (20225, 63245), (24325, 52585), (28315, 45175)]