1000163975

素因数分解:

$5^2\times {\mathrm{17}}^4\times {\mathrm{479}}^1$

素因数の和:557

約数の個数: 30

約数和(自身を含む): 1320466080

約数和(自身を除く): 320302105

約数列:

[1, 5, 17, 25, 85, 289, 425, 479, 1445, 2395, 4913, 7225, 8143, 11975, 24565, 40715, 83521, 122825, 138431, 203575, 417605, 692155, 2088025, 2353327, 3460775, 11766635, 40006559, 58833175, 200032795, 1000163975]

約数ペア:

[(1, 1000163975), (5, 200032795), (17, 58833175), (25, 40006559), (85, 11766635), (289, 3460775), (425, 2353327), (479, 2088025), (1445, 692155), (2395, 417605), (4913, 203575), (7225, 138431), (8143, 122825), (11975, 83521), (24565, 40715)]