177297380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{681913}}^1$

素因数の和:681935

約数の個数: 24

約数和(自身を含む): 400965432

約数和(自身を除く): 223668052

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 681913, 1363826, 2727652, 3409565, 6819130, 8864869, 13638260, 17729738, 35459476, 44324345, 88648690, 177297380]

約数ペア:

[(1, 177297380), (2, 88648690), (4, 44324345), (5, 35459476), (10, 17729738), (13, 13638260), (20, 8864869), (26, 6819130), (52, 3409565), (65, 2727652), (130, 1363826), (260, 681913)]