66808651

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{113}}^1$

素因数の和:295

約数の個数: 32

約数和(自身を含む): 85034880

約数和(自身を除く): 18226229

約数列:

[1, 7, 13, 73, 89, 91, 113, 511, 623, 791, 949, 1157, 1469, 6497, 6643, 8099, 8249, 10057, 10283, 45479, 57743, 70399, 84461, 107237, 130741, 591227, 734161, 750659, 915187, 5139127, 9544093, 66808651]

約数ペア:

[(1, 66808651), (7, 9544093), (13, 5139127), (73, 915187), (89, 750659), (91, 734161), (113, 591227), (511, 130741), (623, 107237), (791, 84461), (949, 70399), (1157, 57743), (1469, 45479), (6497, 10283), (6643, 10057), (8099, 8249)]