1811417296

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{280927}}^1$

素因数の和:280979

約数の個数: 40

約数和(自身を含む): 3901528064

約数和(自身を除く): 2090110768

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 208, 248, 403, 496, 806, 1612, 3224, 6448, 280927, 561854, 1123708, 2247416, 3652051, 4494832, 7304102, 8708737, 14608204, 17417474, 29216408, 34834948, 58432816, 69669896, 113213581, 139339792, 226427162, 452854324, 905708648, 1811417296]

約数ペア:

[(1, 1811417296), (2, 905708648), (4, 452854324), (8, 226427162), (13, 139339792), (16, 113213581), (26, 69669896), (31, 58432816), (52, 34834948), (62, 29216408), (104, 17417474), (124, 14608204), (208, 8708737), (248, 7304102), (403, 4494832), (496, 3652051), (806, 2247416), (1612, 1123708), (3224, 561854), (6448, 280927)]