291216968

素因数分解:

$2^3\times 7^1\times {\mathrm{397}}^1\times {\mathrm{13099}}^1$

素因数の和:13509

約数の個数: 32

約数和(自身を含む): 625656000

約数和(自身を除く): 334439032

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 397, 794, 1588, 2779, 3176, 5558, 11116, 13099, 22232, 26198, 52396, 91693, 104792, 183386, 366772, 733544, 5200303, 10400606, 20801212, 36402121, 41602424, 72804242, 145608484, 291216968]

約数ペア:

[(1, 291216968), (2, 145608484), (4, 72804242), (7, 41602424), (8, 36402121), (14, 20801212), (28, 10400606), (56, 5200303), (397, 733544), (794, 366772), (1588, 183386), (2779, 104792), (3176, 91693), (5558, 52396), (11116, 26198), (13099, 22232)]