78449930

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{20809}}^1$

素因数の和:20858

約数の個数: 32

約数和(自身を含む): 157323600

約数和(自身を除く): 78873670

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 130, 145, 290, 377, 754, 1885, 3770, 20809, 41618, 104045, 208090, 270517, 541034, 603461, 1206922, 1352585, 2705170, 3017305, 6034610, 7844993, 15689986, 39224965, 78449930]

約数ペア:

[(1, 78449930), (2, 39224965), (5, 15689986), (10, 7844993), (13, 6034610), (26, 3017305), (29, 2705170), (58, 1352585), (65, 1206922), (130, 603461), (145, 541034), (290, 270517), (377, 208090), (754, 104045), (1885, 41618), (3770, 20809)]