378601925

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{17387}}^1$

素因数の和:17477

約数の個数: 24

約数和(自身を含む): 513154656

約数和(自身を除く): 134552731

約数列:

[1, 5, 13, 25, 65, 67, 325, 335, 871, 1675, 4355, 17387, 21775, 86935, 226031, 434675, 1130155, 1164929, 5650775, 5824645, 15144077, 29123225, 75720385, 378601925]

約数ペア:

[(1, 378601925), (5, 75720385), (13, 29123225), (25, 15144077), (65, 5824645), (67, 5650775), (325, 1164929), (335, 1130155), (871, 434675), (1675, 226031), (4355, 86935), (17387, 21775)]