87342190

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{21673}}^1$

素因数の和:21724

約数の個数: 32

約数和(自身を含む): 174779136

約数和(自身を除く): 87436946

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 21673, 43346, 108365, 216730, 281749, 563498, 671863, 1343726, 1408745, 2817490, 3359315, 6718630, 8734219, 17468438, 43671095, 87342190]

約数ペア:

[(1, 87342190), (2, 43671095), (5, 17468438), (10, 8734219), (13, 6718630), (26, 3359315), (31, 2817490), (62, 1408745), (65, 1343726), (130, 671863), (155, 563498), (310, 281749), (403, 216730), (806, 108365), (2015, 43346), (4030, 21673)]