201721130

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1551701}}^1$

素因数の和:1551721

約数の個数: 16

約数和(自身を含む): 391028904

約数和(自身を除く): 189307774

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 1551701, 3103402, 7758505, 15517010, 20172113, 40344226, 100860565, 201721130]

約数ペア:

[(1, 201721130), (2, 100860565), (5, 40344226), (10, 20172113), (13, 15517010), (26, 7758505), (65, 3103402), (130, 1551701)]