128426529

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1009}}^1$

素因数の和:1078

約数の個数: 64

約数和(自身を含む): 232704000

約数和(自身を除く): 104277471

約数列:

[1, 3, 7, 11, 19, 21, 29, 33, 57, 77, 87, 133, 203, 209, 231, 319, 399, 551, 609, 627, 957, 1009, 1463, 1653, 2233, 3027, 3857, 4389, 6061, 6699, 7063, 11099, 11571, 18183, 19171, 21189, 29261, 33297, 42427, 57513, 77693, 87783, 127281, 134197, 204827, 210881, 233079, 321871, 402591, 555959, 614481, 632643, 965613, 1476167, 1667877, 2253097, 3891713, 4428501, 6115549, 6759291, 11675139, 18346647, 42808843, 128426529]

約数ペア:

[(1, 128426529), (3, 42808843), (7, 18346647), (11, 11675139), (19, 6759291), (21, 6115549), (29, 4428501), (33, 3891713), (57, 2253097), (77, 1667877), (87, 1476167), (133, 965613), (203, 632643), (209, 614481), (231, 555959), (319, 402591), (399, 321871), (551, 233079), (609, 210881), (627, 204827), (957, 134197), (1009, 127281), (1463, 87783), (1653, 77693), (2233, 57513), (3027, 42427), (3857, 33297), (4389, 29261), (6061, 21189), (6699, 19171), (7063, 18183), (11099, 11571)]