81349828

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1$

素因数の和:245

約数の個数: 96

約数和(自身を含む): 183859200

約数和(自身を除く): 102509372

約数列:

[1, 2, 4, 7, 14, 17, 28, 31, 34, 37, 62, 68, 74, 119, 124, 148, 149, 217, 238, 259, 298, 434, 476, 518, 527, 596, 629, 868, 1036, 1043, 1054, 1147, 1258, 2086, 2108, 2294, 2516, 2533, 3689, 4172, 4403, 4588, 4619, 5066, 5513, 7378, 8029, 8806, 9238, 10132, 11026, 14756, 16058, 17612, 17731, 18476, 19499, 22052, 32116, 32333, 35462, 38591, 38998, 64666, 70924, 77182, 77996, 78523, 93721, 129332, 136493, 154364, 157046, 170903, 187442, 272986, 314092, 341806, 374884, 545972, 549661, 656047, 683612, 1099322, 1196321, 1312094, 2198644, 2392642, 2624188, 2905351, 4785284, 5810702, 11621404, 20337457, 40674914, 81349828]

約数ペア:

[(1, 81349828), (2, 40674914), (4, 20337457), (7, 11621404), (14, 5810702), (17, 4785284), (28, 2905351), (31, 2624188), (34, 2392642), (37, 2198644), (62, 1312094), (68, 1196321), (74, 1099322), (119, 683612), (124, 656047), (148, 549661), (149, 545972), (217, 374884), (238, 341806), (259, 314092), (298, 272986), (434, 187442), (476, 170903), (518, 157046), (527, 154364), (596, 136493), (629, 129332), (868, 93721), (1036, 78523), (1043, 77996), (1054, 77182), (1147, 70924), (1258, 64666), (2086, 38998), (2108, 38591), (2294, 35462), (2516, 32333), (2533, 32116), (3689, 22052), (4172, 19499), (4403, 18476), (4588, 17731), (4619, 17612), (5066, 16058), (5513, 14756), (7378, 11026), (8029, 10132), (8806, 9238)]