208933816

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{2633}}^1$

素因数の和:2768

約数の個数: 64

約数和(自身を含む): 486763200

約数和(自身を除く): 277829384

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 109, 182, 218, 364, 436, 728, 763, 872, 1417, 1526, 2633, 2834, 3052, 5266, 5668, 6104, 9919, 10532, 11336, 18431, 19838, 21064, 34229, 36862, 39676, 68458, 73724, 79352, 136916, 147448, 239603, 273832, 286997, 479206, 573994, 958412, 1147988, 1916824, 2008979, 2295976, 3730961, 4017958, 7461922, 8035916, 14923844, 16071832, 26116727, 29847688, 52233454, 104466908, 208933816]

約数ペア:

[(1, 208933816), (2, 104466908), (4, 52233454), (7, 29847688), (8, 26116727), (13, 16071832), (14, 14923844), (26, 8035916), (28, 7461922), (52, 4017958), (56, 3730961), (91, 2295976), (104, 2008979), (109, 1916824), (182, 1147988), (218, 958412), (364, 573994), (436, 479206), (728, 286997), (763, 273832), (872, 239603), (1417, 147448), (1526, 136916), (2633, 79352), (2834, 73724), (3052, 68458), (5266, 39676), (5668, 36862), (6104, 34229), (9919, 21064), (10532, 19838), (11336, 18431)]