881000656

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{641}}^1$

素因数の和:860

約数の個数: 80

約数和(自身を含む): 1880022528

約数和(自身を除く): 999021872

約数列:

[1, 2, 4, 8, 16, 17, 31, 34, 62, 68, 124, 136, 163, 248, 272, 326, 496, 527, 641, 652, 1054, 1282, 1304, 2108, 2564, 2608, 2771, 4216, 5053, 5128, 5542, 8432, 10106, 10256, 10897, 11084, 19871, 20212, 21794, 22168, 39742, 40424, 43588, 44336, 79484, 80848, 85901, 87176, 104483, 158968, 171802, 174352, 208966, 317936, 337807, 343604, 417932, 675614, 687208, 835864, 1351228, 1374416, 1671728, 1776211, 2702456, 3238973, 3552422, 5404912, 6477946, 7104844, 12955892, 14209688, 25911784, 28419376, 51823568, 55062541, 110125082, 220250164, 440500328, 881000656]

約数ペア:

[(1, 881000656), (2, 440500328), (4, 220250164), (8, 110125082), (16, 55062541), (17, 51823568), (31, 28419376), (34, 25911784), (62, 14209688), (68, 12955892), (124, 7104844), (136, 6477946), (163, 5404912), (248, 3552422), (272, 3238973), (326, 2702456), (496, 1776211), (527, 1671728), (641, 1374416), (652, 1351228), (1054, 835864), (1282, 687208), (1304, 675614), (2108, 417932), (2564, 343604), (2608, 337807), (2771, 317936), (4216, 208966), (5053, 174352), (5128, 171802), (5542, 158968), (8432, 104483), (10106, 87176), (10256, 85901), (10897, 80848), (11084, 79484), (19871, 44336), (20212, 43588), (21794, 40424), (22168, 39742)]