231931746

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{47}}^2\times {\mathrm{307}}^1$

素因数の和:428

約数の個数: 72

約数和(自身を含む): 542221680

約数和(自身を除く): 310289934

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 47, 57, 94, 114, 141, 171, 282, 307, 342, 423, 614, 846, 893, 921, 1786, 1842, 2209, 2679, 2763, 4418, 5358, 5526, 5833, 6627, 8037, 11666, 13254, 14429, 16074, 17499, 19881, 28858, 34998, 39762, 41971, 43287, 52497, 83942, 86574, 104994, 125913, 129861, 251826, 259722, 274151, 377739, 548302, 678163, 755478, 822453, 1356326, 1644906, 2034489, 2467359, 4068978, 4934718, 6103467, 12206934, 12885097, 25770194, 38655291, 77310582, 115965873, 231931746]

約数ペア:

[(1, 231931746), (2, 115965873), (3, 77310582), (6, 38655291), (9, 25770194), (18, 12885097), (19, 12206934), (38, 6103467), (47, 4934718), (57, 4068978), (94, 2467359), (114, 2034489), (141, 1644906), (171, 1356326), (282, 822453), (307, 755478), (342, 678163), (423, 548302), (614, 377739), (846, 274151), (893, 259722), (921, 251826), (1786, 129861), (1842, 125913), (2209, 104994), (2679, 86574), (2763, 83942), (4418, 52497), (5358, 43287), (5526, 41971), (5833, 39762), (6627, 34998), (8037, 28858), (11666, 19881), (13254, 17499), (14429, 16074)]