68781592

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1999}}^1$

素因数の和:2056

約数の個数: 64

約数和(自身を含む): 155520000

約数和(自身を除く): 86738408

約数列:

[1, 2, 4, 8, 11, 17, 22, 23, 34, 44, 46, 68, 88, 92, 136, 184, 187, 253, 374, 391, 506, 748, 782, 1012, 1496, 1564, 1999, 2024, 3128, 3998, 4301, 7996, 8602, 15992, 17204, 21989, 33983, 34408, 43978, 45977, 67966, 87956, 91954, 135932, 175912, 183908, 271864, 367816, 373813, 505747, 747626, 781609, 1011494, 1495252, 1563218, 2022988, 2990504, 3126436, 4045976, 6252872, 8597699, 17195398, 34390796, 68781592]

約数ペア:

[(1, 68781592), (2, 34390796), (4, 17195398), (8, 8597699), (11, 6252872), (17, 4045976), (22, 3126436), (23, 2990504), (34, 2022988), (44, 1563218), (46, 1495252), (68, 1011494), (88, 781609), (92, 747626), (136, 505747), (184, 373813), (187, 367816), (253, 271864), (374, 183908), (391, 175912), (506, 135932), (748, 91954), (782, 87956), (1012, 67966), (1496, 45977), (1564, 43978), (1999, 34408), (2024, 33983), (3128, 21989), (3998, 17204), (4301, 15992), (7996, 8602)]