31043090

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{7703}}^1$

素因数の和:7754

約数の個数: 32

約数和(自身を含む): 62125056

約数和(自身を除く): 31081966

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 7703, 15406, 38515, 77030, 100139, 200278, 238793, 477586, 500695, 1001390, 1193965, 2387930, 3104309, 6208618, 15521545, 31043090]

約数ペア:

[(1, 31043090), (2, 15521545), (5, 6208618), (10, 3104309), (13, 2387930), (26, 1193965), (31, 1001390), (62, 500695), (65, 477586), (130, 238793), (155, 200278), (310, 100139), (403, 77030), (806, 38515), (2015, 15406), (4030, 7703)]