81517372

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{15107}}^1$

素因数の和:15201

約数の個数: 24

約数和(自身を含む): 152288640

約数和(自身を除く): 70771268

約数列:

[1, 2, 4, 19, 38, 71, 76, 142, 284, 1349, 2698, 5396, 15107, 30214, 60428, 287033, 574066, 1072597, 1148132, 2145194, 4290388, 20379343, 40758686, 81517372]

約数ペア:

[(1, 81517372), (2, 40758686), (4, 20379343), (19, 4290388), (38, 2145194), (71, 1148132), (76, 1072597), (142, 574066), (284, 287033), (1349, 60428), (2698, 30214), (5396, 15107)]