256489128

素因数分解:

$2^3\times 3^2\times 7^2\times {\mathrm{72701}}^1$

素因数の和:72727

約数の個数: 72

約数和(自身を含む): 808082730

約数和(自身を除く): 551593602

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, 72701, 145402, 218103, 290804, 436206, 508907, 581608, 654309, 872412, 1017814, 1308618, 1526721, 1744824, 2035628, 2617236, 3053442, 3562349, 4071256, 4580163, 5234472, 6106884, 7124698, 9160326, 10687047, 12213768, 14249396, 18320652, 21374094, 28498792, 32061141, 36641304, 42748188, 64122282, 85496376, 128244564, 256489128]

約数ペア:

[(1, 256489128), (2, 128244564), (3, 85496376), (4, 64122282), (6, 42748188), (7, 36641304), (8, 32061141), (9, 28498792), (12, 21374094), (14, 18320652), (18, 14249396), (21, 12213768), (24, 10687047), (28, 9160326), (36, 7124698), (42, 6106884), (49, 5234472), (56, 4580163), (63, 4071256), (72, 3562349), (84, 3053442), (98, 2617236), (126, 2035628), (147, 1744824), (168, 1526721), (196, 1308618), (252, 1017814), (294, 872412), (392, 654309), (441, 581608), (504, 508907), (588, 436206), (882, 290804), (1176, 218103), (1764, 145402), (3528, 72701)]