81693808

素因数分解:

$2^4\times 7^1\times {\mathrm{43}}^1\times {\mathrm{16963}}^1$

素因数の和:17021

約数の個数: 40

約数和(自身を含む): 185111168

約数和(自身を除く): 103417360

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 43, 56, 86, 112, 172, 301, 344, 602, 688, 1204, 2408, 4816, 16963, 33926, 67852, 118741, 135704, 237482, 271408, 474964, 729409, 949928, 1458818, 1899856, 2917636, 5105863, 5835272, 10211726, 11670544, 20423452, 40846904, 81693808]

約数ペア:

[(1, 81693808), (2, 40846904), (4, 20423452), (7, 11670544), (8, 10211726), (14, 5835272), (16, 5105863), (28, 2917636), (43, 1899856), (56, 1458818), (86, 949928), (112, 729409), (172, 474964), (301, 271408), (344, 237482), (602, 135704), (688, 118741), (1204, 67852), (2408, 33926), (4816, 16963)]