256924528

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{73999}}^1$

素因数の和:74045

約数の個数: 40

約数和(自身を含む): 587264000

約数和(自身を除く): 330339472

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 112, 124, 217, 248, 434, 496, 868, 1736, 3472, 73999, 147998, 295996, 517993, 591992, 1035986, 1183984, 2071972, 2293969, 4143944, 4587938, 8287888, 9175876, 16057783, 18351752, 32115566, 36703504, 64231132, 128462264, 256924528]

約数ペア:

[(1, 256924528), (2, 128462264), (4, 64231132), (7, 36703504), (8, 32115566), (14, 18351752), (16, 16057783), (28, 9175876), (31, 8287888), (56, 4587938), (62, 4143944), (112, 2293969), (124, 2071972), (217, 1183984), (248, 1035986), (434, 591992), (496, 517993), (868, 295996), (1736, 147998), (3472, 73999)]