68238992

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{139}}^1\times {\mathrm{503}}^1$

素因数の和:711

約数の個数: 40

約数和(自身を含む): 135616320

約数和(自身を除く): 67377328

約数列:

[1, 2, 4, 8, 16, 61, 122, 139, 244, 278, 488, 503, 556, 976, 1006, 1112, 2012, 2224, 4024, 8048, 8479, 16958, 30683, 33916, 61366, 67832, 69917, 122732, 135664, 139834, 245464, 279668, 490928, 559336, 1118672, 4264937, 8529874, 17059748, 34119496, 68238992]

約数ペア:

[(1, 68238992), (2, 34119496), (4, 17059748), (8, 8529874), (16, 4264937), (61, 1118672), (122, 559336), (139, 490928), (244, 279668), (278, 245464), (488, 139834), (503, 135664), (556, 122732), (976, 69917), (1006, 67832), (1112, 61366), (2012, 33916), (2224, 30683), (4024, 16958), (8048, 8479)]