8190390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{21001}}^1$

素因数の和:21024

約数の個数: 32

約数和(自身を含む): 21170016

約数和(自身を除く): 12979626

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 21001, 42002, 63003, 105005, 126006, 210010, 273013, 315015, 546026, 630030, 819039, 1365065, 1638078, 2730130, 4095195, 8190390]

約数ペア:

[(1, 8190390), (2, 4095195), (3, 2730130), (5, 1638078), (6, 1365065), (10, 819039), (13, 630030), (15, 546026), (26, 315015), (30, 273013), (39, 210010), (65, 126006), (78, 105005), (130, 63003), (195, 42002), (390, 21001)]