81864986

素因数分解:

$2^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{26947}}^1$

素因数の和:26994

約数の個数: 24

約数和(自身を含む): 147459456

約数和(自身を除く): 65594470

約数列:

[1, 2, 7, 14, 31, 49, 62, 98, 217, 434, 1519, 3038, 26947, 53894, 188629, 377258, 835357, 1320403, 1670714, 2640806, 5847499, 11694998, 40932493, 81864986]

約数ペア:

[(1, 81864986), (2, 40932493), (7, 11694998), (14, 5847499), (31, 2640806), (49, 1670714), (62, 1320403), (98, 835357), (217, 377258), (434, 188629), (1519, 53894), (3038, 26947)]