28236130

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{217201}}^1$

素因数の和:217221

約数の個数: 16

約数和(自身を含む): 54734904

約数和(自身を除く): 26498774

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 217201, 434402, 1086005, 2172010, 2823613, 5647226, 14118065, 28236130]

約数ペア:

[(1, 28236130), (2, 14118065), (5, 5647226), (10, 2823613), (13, 2172010), (26, 1086005), (65, 434402), (130, 217201)]