31297864

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{337}}^1$

素因数の和:422

約数の個数: 64

約数和(自身を含む): 68140800

約数和(自身を除く): 36842936

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 47, 52, 76, 94, 104, 152, 188, 247, 337, 376, 494, 611, 674, 893, 988, 1222, 1348, 1786, 1976, 2444, 2696, 3572, 4381, 4888, 6403, 7144, 8762, 11609, 12806, 15839, 17524, 23218, 25612, 31678, 35048, 46436, 51224, 63356, 83239, 92872, 126712, 166478, 205907, 300941, 332956, 411814, 601882, 665912, 823628, 1203764, 1647256, 2407528, 3912233, 7824466, 15648932, 31297864]

約数ペア:

[(1, 31297864), (2, 15648932), (4, 7824466), (8, 3912233), (13, 2407528), (19, 1647256), (26, 1203764), (38, 823628), (47, 665912), (52, 601882), (76, 411814), (94, 332956), (104, 300941), (152, 205907), (188, 166478), (247, 126712), (337, 92872), (376, 83239), (494, 63356), (611, 51224), (674, 46436), (893, 35048), (988, 31678), (1222, 25612), (1348, 23218), (1786, 17524), (1976, 15839), (2444, 12806), (2696, 11609), (3572, 8762), (4381, 7144), (4888, 6403)]