28017984

素因数分解:

$2^6\times 3^1\times {\mathrm{73}}^1\times {\mathrm{1999}}^1$

素因数の和:2087

約数の個数: 56

約数和(自身を含む): 75184000

約数和(自身を除く): 47166016

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 73, 96, 146, 192, 219, 292, 438, 584, 876, 1168, 1752, 1999, 2336, 3504, 3998, 4672, 5997, 7008, 7996, 11994, 14016, 15992, 23988, 31984, 47976, 63968, 95952, 127936, 145927, 191904, 291854, 383808, 437781, 583708, 875562, 1167416, 1751124, 2334832, 3502248, 4669664, 7004496, 9339328, 14008992, 28017984]

約数ペア:

[(1, 28017984), (2, 14008992), (3, 9339328), (4, 7004496), (6, 4669664), (8, 3502248), (12, 2334832), (16, 1751124), (24, 1167416), (32, 875562), (48, 583708), (64, 437781), (73, 383808), (96, 291854), (146, 191904), (192, 145927), (219, 127936), (292, 95952), (438, 63968), (584, 47976), (876, 31984), (1168, 23988), (1752, 15992), (1999, 14016), (2336, 11994), (3504, 7996), (3998, 7008), (4672, 5997)]