642746188

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{311}}^1\times {\mathrm{2381}}^1$

素因数の和:2734

約数の個数: 48

約数和(自身を含む): 1331785728

約数和(自身を除く): 689039540

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 311, 434, 622, 868, 1244, 2177, 2381, 4354, 4762, 8708, 9524, 9641, 16667, 19282, 33334, 38564, 66668, 67487, 73811, 134974, 147622, 269948, 295244, 516677, 740491, 1033354, 1480982, 2066708, 2961964, 5183437, 10366874, 20733748, 22955221, 45910442, 91820884, 160686547, 321373094, 642746188]

約数ペア:

[(1, 642746188), (2, 321373094), (4, 160686547), (7, 91820884), (14, 45910442), (28, 22955221), (31, 20733748), (62, 10366874), (124, 5183437), (217, 2961964), (311, 2066708), (434, 1480982), (622, 1033354), (868, 740491), (1244, 516677), (2177, 295244), (2381, 269948), (4354, 147622), (4762, 134974), (8708, 73811), (9524, 67487), (9641, 66668), (16667, 38564), (19282, 33334)]