211838508

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{389}}^1\times {\mathrm{2161}}^1$

素因数の和:2567

約数の個数: 72

約数和(自身を含む): 613835040

約数和(自身を除く): 401996532

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 389, 778, 1167, 1556, 2161, 2334, 2723, 3501, 4322, 4668, 5446, 6483, 7002, 8169, 8644, 10892, 12966, 14004, 15127, 16338, 19449, 24507, 25932, 30254, 32676, 38898, 45381, 49014, 60508, 77796, 90762, 98028, 136143, 181524, 272286, 544572, 840629, 1681258, 2521887, 3362516, 5043774, 5884403, 7565661, 10087548, 11768806, 15131322, 17653209, 23537612, 30262644, 35306418, 52959627, 70612836, 105919254, 211838508]

約数ペア:

[(1, 211838508), (2, 105919254), (3, 70612836), (4, 52959627), (6, 35306418), (7, 30262644), (9, 23537612), (12, 17653209), (14, 15131322), (18, 11768806), (21, 10087548), (28, 7565661), (36, 5884403), (42, 5043774), (63, 3362516), (84, 2521887), (126, 1681258), (252, 840629), (389, 544572), (778, 272286), (1167, 181524), (1556, 136143), (2161, 98028), (2334, 90762), (2723, 77796), (3501, 60508), (4322, 49014), (4668, 45381), (5446, 38898), (6483, 32676), (7002, 30254), (8169, 25932), (8644, 24507), (10892, 19449), (12966, 16338), (14004, 15127)]