78784165

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{113}}^1\times {\mathrm{179}}^1$

素因数の和:357

約数の個数: 32

約数和(自身を含む): 103420800

約数和(自身を除く): 24636635

約数列:

[1, 5, 19, 41, 95, 113, 179, 205, 565, 779, 895, 2147, 3401, 3895, 4633, 7339, 10735, 17005, 20227, 23165, 36695, 88027, 101135, 139441, 384313, 440135, 697205, 829307, 1921565, 4146535, 15756833, 78784165]

約数ペア:

[(1, 78784165), (5, 15756833), (19, 4146535), (41, 1921565), (95, 829307), (113, 697205), (179, 440135), (205, 384313), (565, 139441), (779, 101135), (895, 88027), (2147, 36695), (3401, 23165), (3895, 20227), (4633, 17005), (7339, 10735)]