81971226

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{373}}^1\times {\mathrm{421}}^1$

素因数の和:831

約数の個数: 48

約数和(自身を含む): 184658760

約数和(自身を除く): 102687534

約数列:

[1, 2, 3, 6, 9, 18, 29, 58, 87, 174, 261, 373, 421, 522, 746, 842, 1119, 1263, 2238, 2526, 3357, 3789, 6714, 7578, 10817, 12209, 21634, 24418, 32451, 36627, 64902, 73254, 97353, 109881, 157033, 194706, 219762, 314066, 471099, 942198, 1413297, 2826594, 4553957, 9107914, 13661871, 27323742, 40985613, 81971226]

約数ペア:

[(1, 81971226), (2, 40985613), (3, 27323742), (6, 13661871), (9, 9107914), (18, 4553957), (29, 2826594), (58, 1413297), (87, 942198), (174, 471099), (261, 314066), (373, 219762), (421, 194706), (522, 157033), (746, 109881), (842, 97353), (1119, 73254), (1263, 64902), (2238, 36627), (2526, 32451), (3357, 24418), (3789, 21634), (6714, 12209), (7578, 10817)]