291115278

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{641}}^1\times {\mathrm{1097}}^1$

素因数の和:1769

約数の個数: 48

約数和(自身を含む): 659801376

約数和(自身を除く): 368686098

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 138, 207, 414, 641, 1097, 1282, 1923, 2194, 3291, 3846, 5769, 6582, 9873, 11538, 14743, 19746, 25231, 29486, 44229, 50462, 75693, 88458, 132687, 151386, 227079, 265374, 454158, 703177, 1406354, 2109531, 4219062, 6328593, 12657186, 16173071, 32346142, 48519213, 97038426, 145557639, 291115278]

約数ペア:

[(1, 291115278), (2, 145557639), (3, 97038426), (6, 48519213), (9, 32346142), (18, 16173071), (23, 12657186), (46, 6328593), (69, 4219062), (138, 2109531), (207, 1406354), (414, 703177), (641, 454158), (1097, 265374), (1282, 227079), (1923, 151386), (2194, 132687), (3291, 88458), (3846, 75693), (5769, 50462), (6582, 44229), (9873, 29486), (11538, 25231), (14743, 19746)]