1639432016

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{1297019}}^1$

素因数の和:1297106

約数の個数: 20

約数和(自身を含む): 3216609600

約数和(自身を除く): 1577177584

約数列:

[1, 2, 4, 8, 16, 79, 158, 316, 632, 1264, 1297019, 2594038, 5188076, 10376152, 20752304, 102464501, 204929002, 409858004, 819716008, 1639432016]

約数ペア:

[(1, 1639432016), (2, 819716008), (4, 409858004), (8, 204929002), (16, 102464501), (79, 20752304), (158, 10376152), (316, 5188076), (632, 2594038), (1264, 1297019)]