218637714

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{631}}^1$

素因数の和:775

約数の個数: 64

約数和(自身を含む): 480522240

約数和(自身を除く): 261884526

約数列:

[1, 2, 3, 6, 17, 34, 43, 51, 79, 86, 102, 129, 158, 237, 258, 474, 631, 731, 1262, 1343, 1462, 1893, 2193, 2686, 3397, 3786, 4029, 4386, 6794, 8058, 10191, 10727, 20382, 21454, 27133, 32181, 49849, 54266, 57749, 64362, 81399, 99698, 115498, 149547, 162798, 173247, 299094, 346494, 461261, 847433, 922522, 1383783, 1694866, 2143507, 2542299, 2767566, 4287014, 5084598, 6430521, 12861042, 36439619, 72879238, 109318857, 218637714]

約数ペア:

[(1, 218637714), (2, 109318857), (3, 72879238), (6, 36439619), (17, 12861042), (34, 6430521), (43, 5084598), (51, 4287014), (79, 2767566), (86, 2542299), (102, 2143507), (129, 1694866), (158, 1383783), (237, 922522), (258, 847433), (474, 461261), (631, 346494), (731, 299094), (1262, 173247), (1343, 162798), (1462, 149547), (1893, 115498), (2193, 99698), (2686, 81399), (3397, 64362), (3786, 57749), (4029, 54266), (4386, 49849), (6794, 32181), (8058, 27133), (10191, 21454), (10727, 20382)]