81791388

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{199}}^1\times {\mathrm{233}}^1$

素因数の和:456

約数の個数: 108

約数和(自身を含む): 242751600

約数和(自身を除く): 160960212

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 84, 98, 126, 147, 196, 199, 233, 252, 294, 398, 441, 466, 588, 597, 699, 796, 882, 932, 1194, 1393, 1398, 1631, 1764, 1791, 2097, 2388, 2786, 2796, 3262, 3582, 4179, 4194, 4893, 5572, 6524, 7164, 8358, 8388, 9751, 9786, 11417, 12537, 14679, 16716, 19502, 19572, 22834, 25074, 29253, 29358, 34251, 39004, 45668, 46367, 50148, 58506, 58716, 68502, 87759, 92734, 102753, 117012, 137004, 139101, 175518, 185468, 205506, 278202, 324569, 351036, 411012, 417303, 556404, 649138, 834606, 973707, 1298276, 1669212, 1947414, 2271983, 2921121, 3894828, 4543966, 5842242, 6815949, 9087932, 11684484, 13631898, 20447847, 27263796, 40895694, 81791388]

約数ペア:

[(1, 81791388), (2, 40895694), (3, 27263796), (4, 20447847), (6, 13631898), (7, 11684484), (9, 9087932), (12, 6815949), (14, 5842242), (18, 4543966), (21, 3894828), (28, 2921121), (36, 2271983), (42, 1947414), (49, 1669212), (63, 1298276), (84, 973707), (98, 834606), (126, 649138), (147, 556404), (196, 417303), (199, 411012), (233, 351036), (252, 324569), (294, 278202), (398, 205506), (441, 185468), (466, 175518), (588, 139101), (597, 137004), (699, 117012), (796, 102753), (882, 92734), (932, 87759), (1194, 68502), (1393, 58716), (1398, 58506), (1631, 50148), (1764, 46367), (1791, 45668), (2097, 39004), (2388, 34251), (2786, 29358), (2796, 29253), (3262, 25074), (3582, 22834), (4179, 19572), (4194, 19502), (4893, 16716), (5572, 14679), (6524, 12537), (7164, 11417), (8358, 9786), (8388, 9751)]