262808

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2$

素因数の和:64

約数の個数: 48

約数和(自身を含む): 640080

約数和(自身を除く): 377272

約数列:

[1, 2, 4, 7, 8, 13, 14, 19, 26, 28, 38, 52, 56, 76, 91, 104, 133, 152, 182, 247, 266, 361, 364, 494, 532, 722, 728, 988, 1064, 1444, 1729, 1976, 2527, 2888, 3458, 4693, 5054, 6916, 9386, 10108, 13832, 18772, 20216, 32851, 37544, 65702, 131404, 262808]

約数ペア:

[(1, 262808), (2, 131404), (4, 65702), (7, 37544), (8, 32851), (13, 20216), (14, 18772), (19, 13832), (26, 10108), (28, 9386), (38, 6916), (52, 5054), (56, 4693), (76, 3458), (91, 2888), (104, 2527), (133, 1976), (152, 1729), (182, 1444), (247, 1064), (266, 988), (361, 728), (364, 722), (494, 532)]