81519204

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{3989}}^1$

素因数の和:4140

約数の個数: 48

約数和(自身を含む): 206458560

約数和(自身を除く): 124939356

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 131, 156, 262, 393, 524, 786, 1572, 1703, 3406, 3989, 5109, 6812, 7978, 10218, 11967, 15956, 20436, 23934, 47868, 51857, 103714, 155571, 207428, 311142, 522559, 622284, 1045118, 1567677, 2090236, 3135354, 6270708, 6793267, 13586534, 20379801, 27173068, 40759602, 81519204]

約数ペア:

[(1, 81519204), (2, 40759602), (3, 27173068), (4, 20379801), (6, 13586534), (12, 6793267), (13, 6270708), (26, 3135354), (39, 2090236), (52, 1567677), (78, 1045118), (131, 622284), (156, 522559), (262, 311142), (393, 207428), (524, 155571), (786, 103714), (1572, 51857), (1703, 47868), (3406, 23934), (3989, 20436), (5109, 15956), (6812, 11967), (7978, 10218)]