25780986

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1$

素因数の和:145

約数の個数: 144

約数和(自身を含む): 74692800

約数和(自身を除く): 48911814

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 19, 21, 22, 33, 38, 42, 57, 63, 66, 77, 89, 99, 114, 121, 126, 133, 154, 171, 178, 198, 209, 231, 242, 266, 267, 342, 363, 399, 418, 462, 534, 623, 627, 693, 726, 798, 801, 847, 979, 1089, 1197, 1246, 1254, 1386, 1463, 1602, 1691, 1694, 1869, 1881, 1958, 2178, 2299, 2394, 2541, 2926, 2937, 3382, 3738, 3762, 4389, 4598, 5073, 5082, 5607, 5874, 6853, 6897, 7623, 8778, 8811, 10146, 10769, 11214, 11837, 13167, 13706, 13794, 15219, 15246, 16093, 17622, 18601, 20559, 20691, 21538, 23674, 26334, 30438, 32186, 32307, 35511, 37202, 41118, 41382, 48279, 55803, 61677, 64614, 71022, 75383, 96558, 96921, 106533, 111606, 123354, 130207, 144837, 150766, 167409, 193842, 204611, 213066, 226149, 260414, 289674, 334818, 390621, 409222, 452298, 613833, 678447, 781242, 1171863, 1227666, 1356894, 1432277, 1841499, 2343726, 2864554, 3682998, 4296831, 8593662, 12890493, 25780986]

約数ペア:

[(1, 25780986), (2, 12890493), (3, 8593662), (6, 4296831), (7, 3682998), (9, 2864554), (11, 2343726), (14, 1841499), (18, 1432277), (19, 1356894), (21, 1227666), (22, 1171863), (33, 781242), (38, 678447), (42, 613833), (57, 452298), (63, 409222), (66, 390621), (77, 334818), (89, 289674), (99, 260414), (114, 226149), (121, 213066), (126, 204611), (133, 193842), (154, 167409), (171, 150766), (178, 144837), (198, 130207), (209, 123354), (231, 111606), (242, 106533), (266, 96921), (267, 96558), (342, 75383), (363, 71022), (399, 64614), (418, 61677), (462, 55803), (534, 48279), (623, 41382), (627, 41118), (693, 37202), (726, 35511), (798, 32307), (801, 32186), (847, 30438), (979, 26334), (1089, 23674), (1197, 21538), (1246, 20691), (1254, 20559), (1386, 18601), (1463, 17622), (1602, 16093), (1691, 15246), (1694, 15219), (1869, 13794), (1881, 13706), (1958, 13167), (2178, 11837), (2299, 11214), (2394, 10769), (2541, 10146), (2926, 8811), (2937, 8778), (3382, 7623), (3738, 6897), (3762, 6853), (4389, 5874), (4598, 5607), (5073, 5082)]