63720904

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{631}}^1\times {\mathrm{971}}^1$

素因数の和:1621

約数の個数: 32

約数和(自身を含む): 129003840

約数和(自身を除く): 65282936

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 631, 971, 1262, 1942, 2524, 3884, 5048, 7768, 8203, 12623, 16406, 25246, 32812, 50492, 65624, 100984, 612701, 1225402, 2450804, 4901608, 7965113, 15930226, 31860452, 63720904]

約数ペア:

[(1, 63720904), (2, 31860452), (4, 15930226), (8, 7965113), (13, 4901608), (26, 2450804), (52, 1225402), (104, 612701), (631, 100984), (971, 65624), (1262, 50492), (1942, 32812), (2524, 25246), (3884, 16406), (5048, 12623), (7768, 8203)]