1285809976

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{127}}^1\times {\mathrm{1117}}^1$

素因数の和:1364

約数の個数: 64

約数和(自身を含む): 2678906880

約数和(自身を除く): 1393096904

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 103, 127, 206, 254, 412, 508, 824, 1016, 1117, 1133, 1397, 2234, 2266, 2794, 4468, 4532, 5588, 8936, 9064, 11176, 12287, 13081, 24574, 26162, 49148, 52324, 98296, 104648, 115051, 141859, 143891, 230102, 283718, 287782, 460204, 567436, 575564, 920408, 1134872, 1151128, 1265561, 1560449, 2531122, 3120898, 5062244, 6241796, 10124488, 12483592, 14611477, 29222954, 58445908, 116891816, 160726247, 321452494, 642904988, 1285809976]

約数ペア:

[(1, 1285809976), (2, 642904988), (4, 321452494), (8, 160726247), (11, 116891816), (22, 58445908), (44, 29222954), (88, 14611477), (103, 12483592), (127, 10124488), (206, 6241796), (254, 5062244), (412, 3120898), (508, 2531122), (824, 1560449), (1016, 1265561), (1117, 1151128), (1133, 1134872), (1397, 920408), (2234, 575564), (2266, 567436), (2794, 460204), (4468, 287782), (4532, 283718), (5588, 230102), (8936, 143891), (9064, 141859), (11176, 115051), (12287, 104648), (13081, 98296), (24574, 52324), (26162, 49148)]