206951784

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{21397}}^1$

素因数の和:21450

約数の個数: 64

約数和(自身を含む): 575178240

約数和(自身を除く): 368226456

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 31, 39, 52, 62, 78, 93, 104, 124, 156, 186, 248, 312, 372, 403, 744, 806, 1209, 1612, 2418, 3224, 4836, 9672, 21397, 42794, 64191, 85588, 128382, 171176, 256764, 278161, 513528, 556322, 663307, 834483, 1112644, 1326614, 1668966, 1989921, 2225288, 2653228, 3337932, 3979842, 5306456, 6675864, 7959684, 8622991, 15919368, 17245982, 25868973, 34491964, 51737946, 68983928, 103475892, 206951784]

約数ペア:

[(1, 206951784), (2, 103475892), (3, 68983928), (4, 51737946), (6, 34491964), (8, 25868973), (12, 17245982), (13, 15919368), (24, 8622991), (26, 7959684), (31, 6675864), (39, 5306456), (52, 3979842), (62, 3337932), (78, 2653228), (93, 2225288), (104, 1989921), (124, 1668966), (156, 1326614), (186, 1112644), (248, 834483), (312, 663307), (372, 556322), (403, 513528), (744, 278161), (806, 256764), (1209, 171176), (1612, 128382), (2418, 85588), (3224, 64191), (4836, 42794), (9672, 21397)]