778880088

素因数分解:

$2^3\times 3^2\times 7^2\times {\mathrm{220771}}^1$

素因数の和:220797

約数の個数: 72

約数和(自身を含む): 2453880780

約数和(自身を除く): 1675000692

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 49, 56, 63, 72, 84, 98, 126, 147, 168, 196, 252, 294, 392, 441, 504, 588, 882, 1176, 1764, 3528, 220771, 441542, 662313, 883084, 1324626, 1545397, 1766168, 1986939, 2649252, 3090794, 3973878, 4636191, 5298504, 6181588, 7947756, 9272382, 10817779, 12363176, 13908573, 15895512, 18544764, 21635558, 27817146, 32453337, 37089528, 43271116, 55634292, 64906674, 86542232, 97360011, 111268584, 129813348, 194720022, 259626696, 389440044, 778880088]

約数ペア:

[(1, 778880088), (2, 389440044), (3, 259626696), (4, 194720022), (6, 129813348), (7, 111268584), (8, 97360011), (9, 86542232), (12, 64906674), (14, 55634292), (18, 43271116), (21, 37089528), (24, 32453337), (28, 27817146), (36, 21635558), (42, 18544764), (49, 15895512), (56, 13908573), (63, 12363176), (72, 10817779), (84, 9272382), (98, 7947756), (126, 6181588), (147, 5298504), (168, 4636191), (196, 3973878), (252, 3090794), (294, 2649252), (392, 1986939), (441, 1766168), (504, 1545397), (588, 1324626), (882, 883084), (1176, 662313), (1764, 441542), (3528, 220771)]