81416596

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{991}}^1$

素因数の和:1084

約数の個数: 48

約数和(自身を含む): 159989760

約数和(自身を除く): 78573164

約数列:

[1, 2, 4, 19, 23, 38, 46, 47, 76, 92, 94, 188, 437, 874, 893, 991, 1081, 1748, 1786, 1982, 2162, 3572, 3964, 4324, 18829, 20539, 22793, 37658, 41078, 45586, 46577, 75316, 82156, 91172, 93154, 186308, 433067, 866134, 884963, 1071271, 1732268, 1769926, 2142542, 3539852, 4285084, 20354149, 40708298, 81416596]

約数ペア:

[(1, 81416596), (2, 40708298), (4, 20354149), (19, 4285084), (23, 3539852), (38, 2142542), (46, 1769926), (47, 1732268), (76, 1071271), (92, 884963), (94, 866134), (188, 433067), (437, 186308), (874, 93154), (893, 91172), (991, 82156), (1081, 75316), (1748, 46577), (1786, 45586), (1982, 41078), (2162, 37658), (3572, 22793), (3964, 20539), (4324, 18829)]