644319663

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{347}}^1\times {\mathrm{1013}}^1$

素因数の和:1423

約数の個数: 32

約数和(自身を含む): 948519936

約数和(自身を除く): 304200273

約数列:

[1, 3, 13, 39, 47, 141, 347, 611, 1013, 1041, 1833, 3039, 4511, 13169, 13533, 16309, 39507, 47611, 48927, 142833, 212017, 351511, 618943, 636051, 1054533, 1856829, 4569643, 13708929, 16521017, 49563051, 214773221, 644319663]

約数ペア:

[(1, 644319663), (3, 214773221), (13, 49563051), (39, 16521017), (47, 13708929), (141, 4569643), (347, 1856829), (611, 1054533), (1013, 636051), (1041, 618943), (1833, 351511), (3039, 212017), (4511, 142833), (13169, 48927), (13533, 47611), (16309, 39507)]