9401990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2333}}^1$

素因数の和:2384

約数の個数: 32

約数和(自身を含む): 18821376

約数和(自身を除く): 9419386

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 2333, 4030, 4666, 11665, 23330, 30329, 60658, 72323, 144646, 151645, 303290, 361615, 723230, 940199, 1880398, 4700995, 9401990]

約数ペア:

[(1, 9401990), (2, 4700995), (5, 1880398), (10, 940199), (13, 723230), (26, 361615), (31, 303290), (62, 151645), (65, 144646), (130, 72323), (155, 60658), (310, 30329), (403, 23330), (806, 11665), (2015, 4666), (2333, 4030)]