64980968

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{11789}}^1$

素因数の和:11861

約数の個数: 32

約数和(自身を含む): 133698600

約数和(自身を除く): 68717632

約数列:

[1, 2, 4, 8, 13, 26, 52, 53, 104, 106, 212, 424, 689, 1378, 2756, 5512, 11789, 23578, 47156, 94312, 153257, 306514, 613028, 624817, 1226056, 1249634, 2499268, 4998536, 8122621, 16245242, 32490484, 64980968]

約数ペア:

[(1, 64980968), (2, 32490484), (4, 16245242), (8, 8122621), (13, 4998536), (26, 2499268), (52, 1249634), (53, 1226056), (104, 624817), (106, 613028), (212, 306514), (424, 153257), (689, 94312), (1378, 47156), (2756, 23578), (5512, 11789)]