80948504

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{443}}^1$

素因数の和:720

約数の個数: 64

約数和(自身を含む): 187971840

約数和(自身を除く): 107023336

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 251, 364, 443, 502, 728, 886, 1004, 1757, 1772, 2008, 3101, 3263, 3514, 3544, 5759, 6202, 6526, 7028, 11518, 12404, 13052, 14056, 22841, 23036, 24808, 26104, 40313, 45682, 46072, 80626, 91364, 111193, 161252, 182728, 222386, 322504, 444772, 778351, 889544, 1445509, 1556702, 2891018, 3113404, 5782036, 6226808, 10118563, 11564072, 20237126, 40474252, 80948504]

約数ペア:

[(1, 80948504), (2, 40474252), (4, 20237126), (7, 11564072), (8, 10118563), (13, 6226808), (14, 5782036), (26, 3113404), (28, 2891018), (52, 1556702), (56, 1445509), (91, 889544), (104, 778351), (182, 444772), (251, 322504), (364, 222386), (443, 182728), (502, 161252), (728, 111193), (886, 91364), (1004, 80626), (1757, 46072), (1772, 45682), (2008, 40313), (3101, 26104), (3263, 24808), (3514, 23036), (3544, 22841), (5759, 14056), (6202, 13052), (6526, 12404), (7028, 11518)]