68764479

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{1993}}^1$

素因数の和:2087

約数の個数: 32

約数和(自身を含む): 110260224

約数和(自身を除く): 41495745

約数列:

[1, 3, 7, 21, 31, 53, 93, 159, 217, 371, 651, 1113, 1643, 1993, 4929, 5979, 11501, 13951, 34503, 41853, 61783, 105629, 185349, 316887, 432481, 739403, 1297443, 2218209, 3274499, 9823497, 22921493, 68764479]

約数ペア:

[(1, 68764479), (3, 22921493), (7, 9823497), (21, 3274499), (31, 2218209), (53, 1297443), (93, 739403), (159, 432481), (217, 316887), (371, 185349), (651, 105629), (1113, 61783), (1643, 41853), (1993, 34503), (4929, 13951), (5979, 11501)]