290236415

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{8629}}^1$

素因数の和:8703

約数の個数: 24

約数和(自身を含む): 411340320

約数和(自身を除く): 121103905

約数列:

[1, 5, 7, 31, 35, 155, 217, 961, 1085, 4805, 6727, 8629, 33635, 43145, 60403, 267499, 302015, 1337495, 1872493, 8292469, 9362465, 41462345, 58047283, 290236415]

約数ペア:

[(1, 290236415), (5, 58047283), (7, 41462345), (31, 9362465), (35, 8292469), (155, 1872493), (217, 1337495), (961, 302015), (1085, 267499), (4805, 60403), (6727, 43145), (8629, 33635)]