397128782128

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{2551}}^1\times {\mathrm{748441}}^1$

素因数の和:751013

約数の個数: 40

約数和(自身を含む): 828950409056

約数和(自身を除く): 431821626928

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 2551, 5102, 10204, 20408, 33163, 40816, 66326, 132652, 265304, 530608, 748441, 1496882, 2993764, 5987528, 9729733, 11975056, 19459466, 38918932, 77837864, 155675728, 1909272991, 3818545982, 7637091964, 15274183928, 24820548883, 30548367856, 49641097766, 99282195532, 198564391064, 397128782128]

約数ペア:

[(1, 397128782128), (2, 198564391064), (4, 99282195532), (8, 49641097766), (13, 30548367856), (16, 24820548883), (26, 15274183928), (52, 7637091964), (104, 3818545982), (208, 1909272991), (2551, 155675728), (5102, 77837864), (10204, 38918932), (20408, 19459466), (33163, 11975056), (40816, 9729733), (66326, 5987528), (132652, 2993764), (265304, 1496882), (530608, 748441)]