64940309

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{113}}^1\times {\mathrm{149}}^1$

素因数の和:317

約数の個数: 32

約数和(自身を含む): 82080000

約数和(自身を除く): 17139691

約数列:

[1, 7, 19, 29, 113, 133, 149, 203, 551, 791, 1043, 2147, 2831, 3277, 3857, 4321, 15029, 16837, 19817, 22939, 30247, 62263, 82099, 117859, 319903, 435841, 488273, 574693, 2239321, 3417911, 9277187, 64940309]

約数ペア:

[(1, 64940309), (7, 9277187), (19, 3417911), (29, 2239321), (113, 574693), (133, 488273), (149, 435841), (203, 319903), (551, 117859), (791, 82099), (1043, 62263), (2147, 30247), (2831, 22939), (3277, 19817), (3857, 16837), (4321, 15029)]