8540406

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{421}}^1$

素因数の和:466

約数の個数: 72

約数和(自身を含む): 22514544

約数和(自身を除く): 13974138

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 23, 42, 46, 49, 63, 69, 98, 126, 138, 147, 161, 207, 294, 322, 414, 421, 441, 483, 842, 882, 966, 1127, 1263, 1449, 2254, 2526, 2898, 2947, 3381, 3789, 5894, 6762, 7578, 8841, 9683, 10143, 17682, 19366, 20286, 20629, 26523, 29049, 41258, 53046, 58098, 61887, 67781, 87147, 123774, 135562, 174294, 185661, 203343, 371322, 406686, 474467, 610029, 948934, 1220058, 1423401, 2846802, 4270203, 8540406]

約数ペア:

[(1, 8540406), (2, 4270203), (3, 2846802), (6, 1423401), (7, 1220058), (9, 948934), (14, 610029), (18, 474467), (21, 406686), (23, 371322), (42, 203343), (46, 185661), (49, 174294), (63, 135562), (69, 123774), (98, 87147), (126, 67781), (138, 61887), (147, 58098), (161, 53046), (207, 41258), (294, 29049), (322, 26523), (414, 20629), (421, 20286), (441, 19366), (483, 17682), (842, 10143), (882, 9683), (966, 8841), (1127, 7578), (1263, 6762), (1449, 5894), (2254, 3789), (2526, 3381), (2898, 2947)]