15694216925

素因数分解:

$5^2\times {\mathrm{37}}^1\times {\mathrm{191}}^1\times {\mathrm{211}}^1\times {\mathrm{421}}^1$

素因数の和:870

約数の個数: 48

約数和(自身を含む): 20234609664

約数和(自身を除く): 4540392739

約数列:

[1, 5, 25, 37, 185, 191, 211, 421, 925, 955, 1055, 2105, 4775, 5275, 7067, 7807, 10525, 15577, 35335, 39035, 40301, 77885, 80411, 88831, 176675, 195175, 201505, 389425, 402055, 444155, 1007525, 1491137, 2010275, 2220775, 2975207, 3286747, 7455685, 14876035, 16433735, 16966721, 37278425, 74380175, 82168675, 84833605, 424168025, 627768677, 3138843385, 15694216925]

約数ペア:

[(1, 15694216925), (5, 3138843385), (25, 627768677), (37, 424168025), (185, 84833605), (191, 82168675), (211, 74380175), (421, 37278425), (925, 16966721), (955, 16433735), (1055, 14876035), (2105, 7455685), (4775, 3286747), (5275, 2975207), (7067, 2220775), (7807, 2010275), (10525, 1491137), (15577, 1007525), (35335, 444155), (39035, 402055), (40301, 389425), (77885, 201505), (80411, 195175), (88831, 176675)]