256909648

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{13999}}^1$

素因数の和:14075

約数の個数: 40

約数和(自身を含む): 527744000

約数和(自身を除く): 270834352

約数列:

[1, 2, 4, 8, 16, 31, 37, 62, 74, 124, 148, 248, 296, 496, 592, 1147, 2294, 4588, 9176, 13999, 18352, 27998, 55996, 111992, 223984, 433969, 517963, 867938, 1035926, 1735876, 2071852, 3471752, 4143704, 6943504, 8287408, 16056853, 32113706, 64227412, 128454824, 256909648]

約数ペア:

[(1, 256909648), (2, 128454824), (4, 64227412), (8, 32113706), (16, 16056853), (31, 8287408), (37, 6943504), (62, 4143704), (74, 3471752), (124, 2071852), (148, 1735876), (248, 1035926), (296, 867938), (496, 517963), (592, 433969), (1147, 223984), (2294, 111992), (4588, 55996), (9176, 27998), (13999, 18352)]