405968992

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{1123}}^1$

素因数の和:1236

約数の個数: 96

約数和(自身を含む): 951713280

約数和(自身を除く): 545744288

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 32, 44, 52, 79, 88, 104, 143, 158, 176, 208, 286, 316, 352, 416, 572, 632, 869, 1027, 1123, 1144, 1264, 1738, 2054, 2246, 2288, 2528, 3476, 4108, 4492, 4576, 6952, 8216, 8984, 11297, 12353, 13904, 14599, 16432, 17968, 22594, 24706, 27808, 29198, 32864, 35936, 45188, 49412, 58396, 88717, 90376, 98824, 116792, 160589, 177434, 180752, 197648, 233584, 321178, 354868, 361504, 395296, 467168, 642356, 709736, 975887, 1153321, 1284712, 1419472, 1951774, 2306642, 2569424, 2838944, 3903548, 4613284, 5138848, 7807096, 9226568, 12686531, 15614192, 18453136, 25373062, 31228384, 36906272, 50746124, 101492248, 202984496, 405968992]

約数ペア:

[(1, 405968992), (2, 202984496), (4, 101492248), (8, 50746124), (11, 36906272), (13, 31228384), (16, 25373062), (22, 18453136), (26, 15614192), (32, 12686531), (44, 9226568), (52, 7807096), (79, 5138848), (88, 4613284), (104, 3903548), (143, 2838944), (158, 2569424), (176, 2306642), (208, 1951774), (286, 1419472), (316, 1284712), (352, 1153321), (416, 975887), (572, 709736), (632, 642356), (869, 467168), (1027, 395296), (1123, 361504), (1144, 354868), (1264, 321178), (1738, 233584), (2054, 197648), (2246, 180752), (2288, 177434), (2528, 160589), (3476, 116792), (4108, 98824), (4492, 90376), (4576, 88717), (6952, 58396), (8216, 49412), (8984, 45188), (11297, 35936), (12353, 32864), (13904, 29198), (14599, 27808), (16432, 24706), (17968, 22594)]