405631996

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{4003}}^1$

素因数の和:4079

約数の個数: 72

約数和(自身を含む): 920215296

約数和(自身を除く): 514583300

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 47, 49, 77, 94, 98, 154, 188, 196, 308, 329, 517, 539, 658, 1034, 1078, 1316, 2068, 2156, 2303, 3619, 4003, 4606, 7238, 8006, 9212, 14476, 16012, 25333, 28021, 44033, 50666, 56042, 88066, 101332, 112084, 176132, 188141, 196147, 308231, 376282, 392294, 616462, 752564, 784588, 1232924, 1316987, 2069551, 2157617, 2633974, 4139102, 4315234, 5267948, 8278204, 8630468, 9218909, 14486857, 18437818, 28973714, 36875636, 57947428, 101407999, 202815998, 405631996]

約数ペア:

[(1, 405631996), (2, 202815998), (4, 101407999), (7, 57947428), (11, 36875636), (14, 28973714), (22, 18437818), (28, 14486857), (44, 9218909), (47, 8630468), (49, 8278204), (77, 5267948), (94, 4315234), (98, 4139102), (154, 2633974), (188, 2157617), (196, 2069551), (308, 1316987), (329, 1232924), (517, 784588), (539, 752564), (658, 616462), (1034, 392294), (1078, 376282), (1316, 308231), (2068, 196147), (2156, 188141), (2303, 176132), (3619, 112084), (4003, 101332), (4606, 88066), (7238, 56042), (8006, 50666), (9212, 44033), (14476, 28021), (16012, 25333)]