664517631

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{113}}^1\times {\mathrm{179}}^1\times {\mathrm{233}}^1$

素因数の和:575

約数の個数: 32

約数和(自身を含む): 921922560

約数和(自身を除く): 257404929

約数列:

[1, 3, 47, 113, 141, 179, 233, 339, 537, 699, 5311, 8413, 10951, 15933, 20227, 25239, 26329, 32853, 41707, 60681, 78987, 125121, 950669, 1237463, 1960229, 2852007, 3712389, 4712891, 5880687, 14138673, 221505877, 664517631]

約数ペア:

[(1, 664517631), (3, 221505877), (47, 14138673), (113, 5880687), (141, 4712891), (179, 3712389), (233, 2852007), (339, 1960229), (537, 1237463), (699, 950669), (5311, 125121), (8413, 78987), (10951, 60681), (15933, 41707), (20227, 32853), (25239, 26329)]