81507172

素因数分解:

$2^2\times {\mathrm{149}}^1\times {\mathrm{163}}^1\times {\mathrm{839}}^1$

素因数の和:1155

約数の個数: 24

約数和(自身を含む): 144648000

約数和(自身を除く): 63140828

約数列:

[1, 2, 4, 149, 163, 298, 326, 596, 652, 839, 1678, 3356, 24287, 48574, 97148, 125011, 136757, 250022, 273514, 500044, 547028, 20376793, 40753586, 81507172]

約数ペア:

[(1, 81507172), (2, 40753586), (4, 20376793), (149, 547028), (163, 500044), (298, 273514), (326, 250022), (596, 136757), (652, 125011), (839, 97148), (1678, 48574), (3356, 24287)]