17998156925

素因数分解:

$5^2\times 7^2\times {\mathrm{113}}^1\times {\mathrm{130021}}^1$

素因数の和:130158

約数の個数: 36

約数和(自身を含む): 26191371636

約数和(自身を除く): 8193214711

約数列:

[1, 5, 7, 25, 35, 49, 113, 175, 245, 565, 791, 1225, 2825, 3955, 5537, 19775, 27685, 130021, 138425, 650105, 910147, 3250525, 4550735, 6371029, 14692373, 22753675, 31855145, 73461865, 102846611, 159275725, 367309325, 514233055, 719926277, 2571165275, 3599631385, 17998156925]

約数ペア:

[(1, 17998156925), (5, 3599631385), (7, 2571165275), (25, 719926277), (35, 514233055), (49, 367309325), (113, 159275725), (175, 102846611), (245, 73461865), (565, 31855145), (791, 22753675), (1225, 14692373), (2825, 6371029), (3955, 4550735), (5537, 3250525), (19775, 910147), (27685, 650105), (130021, 138425)]