664304048

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{373}}^1\times {\mathrm{1409}}^1$

素因数の和:1869

約数の個数: 40

約数和(自身を含む): 1307803200

約数和(自身を除く): 643499152

約数列:

[1, 2, 4, 8, 16, 79, 158, 316, 373, 632, 746, 1264, 1409, 1492, 2818, 2984, 5636, 5968, 11272, 22544, 29467, 58934, 111311, 117868, 222622, 235736, 445244, 471472, 525557, 890488, 1051114, 1780976, 2102228, 4204456, 8408912, 41519003, 83038006, 166076012, 332152024, 664304048]

約数ペア:

[(1, 664304048), (2, 332152024), (4, 166076012), (8, 83038006), (16, 41519003), (79, 8408912), (158, 4204456), (316, 2102228), (373, 1780976), (632, 1051114), (746, 890488), (1264, 525557), (1409, 471472), (1492, 445244), (2818, 235736), (2984, 222622), (5636, 117868), (5968, 111311), (11272, 58934), (22544, 29467)]