78986528

素因数分解:

$2^5\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{419}}^1$

素因数の和:609

約数の個数: 48

約数和(自身を含む): 160665120

約数和(自身を除く): 81678592

約数列:

[1, 2, 4, 8, 16, 32, 43, 86, 137, 172, 274, 344, 419, 548, 688, 838, 1096, 1376, 1676, 2192, 3352, 4384, 5891, 6704, 11782, 13408, 18017, 23564, 36034, 47128, 57403, 72068, 94256, 114806, 144136, 188512, 229612, 288272, 459224, 576544, 918448, 1836896, 2468329, 4936658, 9873316, 19746632, 39493264, 78986528]

約数ペア:

[(1, 78986528), (2, 39493264), (4, 19746632), (8, 9873316), (16, 4936658), (32, 2468329), (43, 1836896), (86, 918448), (137, 576544), (172, 459224), (274, 288272), (344, 229612), (419, 188512), (548, 144136), (688, 114806), (838, 94256), (1096, 72068), (1376, 57403), (1676, 47128), (2192, 36034), (3352, 23564), (4384, 18017), (5891, 13408), (6704, 11782)]