261580122

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{127}}^2$

素因数の和:332

約数の個数: 72

約数和(自身を含む): 616270356

約数和(自身を除く): 354690234

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 53, 102, 106, 127, 153, 159, 254, 306, 318, 381, 477, 762, 901, 954, 1143, 1802, 2159, 2286, 2703, 4318, 5406, 6477, 6731, 8109, 12954, 13462, 16129, 16218, 19431, 20193, 32258, 38862, 40386, 48387, 60579, 96774, 114427, 121158, 145161, 228854, 274193, 290322, 343281, 548386, 686562, 822579, 854837, 1029843, 1645158, 1709674, 2059686, 2467737, 2564511, 4935474, 5129022, 7693533, 14532229, 15387066, 29064458, 43596687, 87193374, 130790061, 261580122]

約数ペア:

[(1, 261580122), (2, 130790061), (3, 87193374), (6, 43596687), (9, 29064458), (17, 15387066), (18, 14532229), (34, 7693533), (51, 5129022), (53, 4935474), (102, 2564511), (106, 2467737), (127, 2059686), (153, 1709674), (159, 1645158), (254, 1029843), (306, 854837), (318, 822579), (381, 686562), (477, 548386), (762, 343281), (901, 290322), (954, 274193), (1143, 228854), (1802, 145161), (2159, 121158), (2286, 114427), (2703, 96774), (4318, 60579), (5406, 48387), (6477, 40386), (6731, 38862), (8109, 32258), (12954, 20193), (13462, 19431), (16129, 16218)]