643625104

素因数分解:

$2^4\times {\mathrm{3121}}^1\times {\mathrm{12889}}^1$

素因数の和:16018

約数の個数: 20

約数和(自身を含む): 1247519980

約数和(自身を除く): 603894876

約数列:

[1, 2, 4, 8, 16, 3121, 6242, 12484, 12889, 24968, 25778, 49936, 51556, 103112, 206224, 40226569, 80453138, 160906276, 321812552, 643625104]

約数ペア:

[(1, 643625104), (2, 321812552), (4, 160906276), (8, 80453138), (16, 40226569), (3121, 206224), (6242, 103112), (12484, 51556), (12889, 49936), (24968, 25778)]