64881418

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{2081}}^1$

素因数の和:2238

約数の個数: 32

約数和(自身を含む): 118723968

約数和(自身を除く): 53842550

約数列:

[1, 2, 7, 14, 17, 34, 119, 131, 238, 262, 917, 1834, 2081, 2227, 4162, 4454, 14567, 15589, 29134, 31178, 35377, 70754, 247639, 272611, 495278, 545222, 1908277, 3816554, 4634387, 9268774, 32440709, 64881418]

約数ペア:

[(1, 64881418), (2, 32440709), (7, 9268774), (14, 4634387), (17, 3816554), (34, 1908277), (119, 545222), (131, 495278), (238, 272611), (262, 247639), (917, 70754), (1834, 35377), (2081, 31178), (2227, 29134), (4162, 15589), (4454, 14567)]