28396870

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1\times {\mathrm{409}}^1$

素因数の和:600

約数の個数: 32

約数和(自身を含む): 52604640

約数和(自身を除く): 24207770

約数列:

[1, 2, 5, 10, 53, 106, 131, 262, 265, 409, 530, 655, 818, 1310, 2045, 4090, 6943, 13886, 21677, 34715, 43354, 53579, 69430, 107158, 108385, 216770, 267895, 535790, 2839687, 5679374, 14198435, 28396870]

約数ペア:

[(1, 28396870), (2, 14198435), (5, 5679374), (10, 2839687), (53, 535790), (106, 267895), (131, 216770), (262, 108385), (265, 107158), (409, 69430), (530, 53579), (655, 43354), (818, 34715), (1310, 21677), (2045, 13886), (4090, 6943)]