81189394

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{223}}^1$

素因数の和:335

約数の個数: 64

約数和(自身を含む): 153538560

約数和(自身を除く): 72349166

約数列:

[1, 2, 11, 13, 19, 22, 26, 38, 67, 134, 143, 209, 223, 247, 286, 418, 446, 494, 737, 871, 1273, 1474, 1742, 2453, 2546, 2717, 2899, 4237, 4906, 5434, 5798, 8474, 9581, 14003, 14941, 16549, 19162, 28006, 29882, 31889, 33098, 46607, 55081, 63778, 93214, 110162, 164351, 182039, 194233, 283879, 328702, 364078, 388466, 567758, 605891, 1211782, 2136563, 3122669, 3690427, 4273126, 6245338, 7380854, 40594697, 81189394]

約数ペア:

[(1, 81189394), (2, 40594697), (11, 7380854), (13, 6245338), (19, 4273126), (22, 3690427), (26, 3122669), (38, 2136563), (67, 1211782), (134, 605891), (143, 567758), (209, 388466), (223, 364078), (247, 328702), (286, 283879), (418, 194233), (446, 182039), (494, 164351), (737, 110162), (871, 93214), (1273, 63778), (1474, 55081), (1742, 46607), (2453, 33098), (2546, 31889), (2717, 29882), (2899, 28006), (4237, 19162), (4906, 16549), (5434, 14941), (5798, 14003), (8474, 9581)]