81420581522

素因数分解:

$2^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{397}}^1\times {\mathrm{431}}^1\times {\mathrm{829}}^1$

素因数の和:1707

約数の個数: 64

約数和(自身を含む): 143848535040

約数和(自身を除く): 62427953518

約数列:

[1, 2, 7, 14, 41, 82, 287, 397, 431, 574, 794, 829, 862, 1658, 2779, 3017, 5558, 5803, 6034, 11606, 16277, 17671, 32554, 33989, 35342, 67978, 113939, 123697, 171107, 227878, 237923, 247394, 329113, 342214, 357299, 475846, 658226, 714598, 1197749, 2303791, 2395498, 2501093, 4607582, 5002186, 7015387, 13493633, 14030774, 14649259, 26987266, 29298518, 49107709, 94455431, 98215418, 102544813, 141847703, 188910862, 205089626, 283695406, 992933921, 1985867842, 5815755823, 11631511646, 40710290761, 81420581522]

約数ペア:

[(1, 81420581522), (2, 40710290761), (7, 11631511646), (14, 5815755823), (41, 1985867842), (82, 992933921), (287, 283695406), (397, 205089626), (431, 188910862), (574, 141847703), (794, 102544813), (829, 98215418), (862, 94455431), (1658, 49107709), (2779, 29298518), (3017, 26987266), (5558, 14649259), (5803, 14030774), (6034, 13493633), (11606, 7015387), (16277, 5002186), (17671, 4607582), (32554, 2501093), (33989, 2395498), (35342, 2303791), (67978, 1197749), (113939, 714598), (123697, 658226), (171107, 475846), (227878, 357299), (237923, 342214), (247394, 329113)]