13240904

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{631}}^1$

素因数の和:741

約数の個数: 32

約数和(自身を含む): 25861440

約数和(自身を除く): 12620536

約数列:

[1, 2, 4, 8, 43, 61, 86, 122, 172, 244, 344, 488, 631, 1262, 2524, 2623, 5048, 5246, 10492, 20984, 27133, 38491, 54266, 76982, 108532, 153964, 217064, 307928, 1655113, 3310226, 6620452, 13240904]

約数ペア:

[(1, 13240904), (2, 6620452), (4, 3310226), (8, 1655113), (43, 307928), (61, 217064), (86, 153964), (122, 108532), (172, 76982), (244, 54266), (344, 38491), (488, 27133), (631, 20984), (1262, 10492), (2524, 5246), (2623, 5048)]