321739328

素因数分解:

$2^6\times {\mathrm{31}}^1\times {\mathrm{257}}^1\times {\mathrm{631}}^1$

素因数の和:931

約数の個数: 56

約数和(自身を含む): 662659584

約数和(自身を除く): 340920256

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 248, 257, 496, 514, 631, 992, 1028, 1262, 1984, 2056, 2524, 4112, 5048, 7967, 8224, 10096, 15934, 16448, 19561, 20192, 31868, 39122, 40384, 63736, 78244, 127472, 156488, 162167, 254944, 312976, 324334, 509888, 625952, 648668, 1251904, 1297336, 2594672, 5027177, 5189344, 10054354, 10378688, 20108708, 40217416, 80434832, 160869664, 321739328]

約数ペア:

[(1, 321739328), (2, 160869664), (4, 80434832), (8, 40217416), (16, 20108708), (31, 10378688), (32, 10054354), (62, 5189344), (64, 5027177), (124, 2594672), (248, 1297336), (257, 1251904), (496, 648668), (514, 625952), (631, 509888), (992, 324334), (1028, 312976), (1262, 254944), (1984, 162167), (2056, 156488), (2524, 127472), (4112, 78244), (5048, 63736), (7967, 40384), (8224, 39122), (10096, 31868), (15934, 20192), (16448, 19561)]