81379494

素因数分解:

$2^1\times 3^2\times 7^5\times {\mathrm{269}}^1$

素因数の和:312

約数の個数: 72

約数和(自身を含む): 206472240

約数和(自身を除く): 125092746

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 147, 269, 294, 343, 441, 538, 686, 807, 882, 1029, 1614, 1883, 2058, 2401, 2421, 3087, 3766, 4802, 4842, 5649, 6174, 7203, 11298, 13181, 14406, 16807, 16947, 21609, 26362, 33614, 33894, 39543, 43218, 50421, 79086, 92267, 100842, 118629, 151263, 184534, 237258, 276801, 302526, 553602, 645869, 830403, 1291738, 1660806, 1937607, 3875214, 4521083, 5812821, 9042166, 11625642, 13563249, 27126498, 40689747, 81379494]

約数ペア:

[(1, 81379494), (2, 40689747), (3, 27126498), (6, 13563249), (7, 11625642), (9, 9042166), (14, 5812821), (18, 4521083), (21, 3875214), (42, 1937607), (49, 1660806), (63, 1291738), (98, 830403), (126, 645869), (147, 553602), (269, 302526), (294, 276801), (343, 237258), (441, 184534), (538, 151263), (686, 118629), (807, 100842), (882, 92267), (1029, 79086), (1614, 50421), (1883, 43218), (2058, 39543), (2401, 33894), (2421, 33614), (3087, 26362), (3766, 21609), (4802, 16947), (4842, 16807), (5649, 14406), (6174, 13181), (7203, 11298)]