68159390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{1301}}^1$

素因数の和:1365

約数の個数: 48

約数和(自身を含む): 137241216

約数和(自身を除く): 69081826

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 169, 310, 338, 403, 806, 845, 1301, 1690, 2015, 2602, 4030, 5239, 6505, 10478, 13010, 16913, 26195, 33826, 40331, 52390, 80662, 84565, 169130, 201655, 219869, 403310, 439738, 524303, 1048606, 1099345, 2198690, 2621515, 5243030, 6815939, 13631878, 34079695, 68159390]

約数ペア:

[(1, 68159390), (2, 34079695), (5, 13631878), (10, 6815939), (13, 5243030), (26, 2621515), (31, 2198690), (62, 1099345), (65, 1048606), (130, 524303), (155, 439738), (169, 403310), (310, 219869), (338, 201655), (403, 169130), (806, 84565), (845, 80662), (1301, 52390), (1690, 40331), (2015, 33826), (2602, 26195), (4030, 16913), (5239, 13010), (6505, 10478)]