81663078

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{263}}^1\times {\mathrm{7393}}^1$

素因数の和:7668

約数の個数: 32

約数和(自身を含む): 187393536

約数和(自身を除く): 105730458

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 263, 526, 789, 1578, 1841, 3682, 5523, 7393, 11046, 14786, 22179, 44358, 51751, 103502, 155253, 310506, 1944359, 3888718, 5833077, 11666154, 13610513, 27221026, 40831539, 81663078]

約数ペア:

[(1, 81663078), (2, 40831539), (3, 27221026), (6, 13610513), (7, 11666154), (14, 5833077), (21, 3888718), (42, 1944359), (263, 310506), (526, 155253), (789, 103502), (1578, 51751), (1841, 44358), (3682, 22179), (5523, 14786), (7393, 11046)]