15983990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{331}}^1\times {\mathrm{439}}^1$

素因数の和:788

約数の個数: 32

約数和(自身を含む): 31553280

約数和(自身を除く): 15569290

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 331, 439, 662, 878, 1655, 2195, 3310, 3641, 4390, 4829, 7282, 9658, 18205, 24145, 36410, 48290, 145309, 290618, 726545, 1453090, 1598399, 3196798, 7991995, 15983990]

約数ペア:

[(1, 15983990), (2, 7991995), (5, 3196798), (10, 1598399), (11, 1453090), (22, 726545), (55, 290618), (110, 145309), (331, 48290), (439, 36410), (662, 24145), (878, 18205), (1655, 9658), (2195, 7282), (3310, 4829), (3641, 4390)]