1279231244

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{1291}}^1$

素因数の和:1518

約数の個数: 48

約数和(自身を含む): 2368515072

約数和(自身を除く): 1089283828

約数列:

[1, 2, 4, 31, 61, 62, 122, 124, 131, 244, 262, 524, 1291, 1891, 2582, 3782, 4061, 5164, 7564, 7991, 8122, 15982, 16244, 31964, 40021, 78751, 80042, 157502, 160084, 169121, 247721, 315004, 338242, 495442, 676484, 990884, 2441281, 4882562, 5242751, 9765124, 10316381, 10485502, 20632762, 20971004, 41265524, 319807811, 639615622, 1279231244]

約数ペア:

[(1, 1279231244), (2, 639615622), (4, 319807811), (31, 41265524), (61, 20971004), (62, 20632762), (122, 10485502), (124, 10316381), (131, 9765124), (244, 5242751), (262, 4882562), (524, 2441281), (1291, 990884), (1891, 676484), (2582, 495442), (3782, 338242), (4061, 315004), (5164, 247721), (7564, 169121), (7991, 160084), (8122, 157502), (15982, 80042), (16244, 78751), (31964, 40021)]