81642312

素因数分解:

$2^3\times 3^2\times {\mathrm{59}}^1\times {\mathrm{19219}}^1$

素因数の和:19290

約数の個数: 48

約数和(自身を含む): 224874000

約数和(自身を除く): 143231688

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 59, 72, 118, 177, 236, 354, 472, 531, 708, 1062, 1416, 2124, 4248, 19219, 38438, 57657, 76876, 115314, 153752, 172971, 230628, 345942, 461256, 691884, 1133921, 1383768, 2267842, 3401763, 4535684, 6803526, 9071368, 10205289, 13607052, 20410578, 27214104, 40821156, 81642312]

約数ペア:

[(1, 81642312), (2, 40821156), (3, 27214104), (4, 20410578), (6, 13607052), (8, 10205289), (9, 9071368), (12, 6803526), (18, 4535684), (24, 3401763), (36, 2267842), (59, 1383768), (72, 1133921), (118, 691884), (177, 461256), (236, 345942), (354, 230628), (472, 172971), (531, 153752), (708, 115314), (1062, 76876), (1416, 57657), (2124, 38438), (4248, 19219)]