289976284

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{251}}^1\times {\mathrm{1709}}^1$

素因数の和:1990

約数の個数: 36

約数和(自身を含む): 552008520

約数和(自身を除く): 262032236

約数列:

[1, 2, 4, 13, 26, 52, 169, 251, 338, 502, 676, 1004, 1709, 3263, 3418, 6526, 6836, 13052, 22217, 42419, 44434, 84838, 88868, 169676, 288821, 428959, 577642, 857918, 1155284, 1715836, 5576467, 11152934, 22305868, 72494071, 144988142, 289976284]

約数ペア:

[(1, 289976284), (2, 144988142), (4, 72494071), (13, 22305868), (26, 11152934), (52, 5576467), (169, 1715836), (251, 1155284), (338, 857918), (502, 577642), (676, 428959), (1004, 288821), (1709, 169676), (3263, 88868), (3418, 84838), (6526, 44434), (6836, 42419), (13052, 22217)]