399021408

素因数分解:

$2^5\times 3^2\times {\mathrm{307}}^1\times {\mathrm{4513}}^1$

素因数の和:4836

約数の個数: 72

約数和(自身を含む): 1138665528

約数和(自身を除く): 739644120

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 307, 614, 921, 1228, 1842, 2456, 2763, 3684, 4513, 4912, 5526, 7368, 9026, 9824, 11052, 13539, 14736, 18052, 22104, 27078, 29472, 36104, 40617, 44208, 54156, 72208, 81234, 88416, 108312, 144416, 162468, 216624, 324936, 433248, 649872, 1299744, 1385491, 2770982, 4156473, 5541964, 8312946, 11083928, 12469419, 16625892, 22167856, 24938838, 33251784, 44335712, 49877676, 66503568, 99755352, 133007136, 199510704, 399021408]

約数ペア:

[(1, 399021408), (2, 199510704), (3, 133007136), (4, 99755352), (6, 66503568), (8, 49877676), (9, 44335712), (12, 33251784), (16, 24938838), (18, 22167856), (24, 16625892), (32, 12469419), (36, 11083928), (48, 8312946), (72, 5541964), (96, 4156473), (144, 2770982), (288, 1385491), (307, 1299744), (614, 649872), (921, 433248), (1228, 324936), (1842, 216624), (2456, 162468), (2763, 144416), (3684, 108312), (4513, 88416), (4912, 81234), (5526, 72208), (7368, 54156), (9026, 44208), (9824, 40617), (11052, 36104), (13539, 29472), (14736, 27078), (18052, 22104)]