25002978

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1$

素因数の和:240

約数の個数: 128

約数和(自身を含む): 70447104

約数和(自身を除く): 45444126

約数列:

[1, 2, 3, 6, 7, 11, 13, 14, 21, 22, 23, 26, 33, 39, 42, 46, 66, 69, 77, 78, 91, 138, 143, 154, 161, 181, 182, 231, 253, 273, 286, 299, 322, 362, 429, 462, 483, 506, 543, 546, 598, 759, 858, 897, 966, 1001, 1086, 1267, 1518, 1771, 1794, 1991, 2002, 2093, 2353, 2534, 3003, 3289, 3542, 3801, 3982, 4163, 4186, 4706, 5313, 5973, 6006, 6279, 6578, 7059, 7602, 8326, 9867, 10626, 11946, 12489, 12558, 13937, 14118, 16471, 19734, 23023, 24978, 25883, 27874, 29141, 32942, 41811, 45793, 46046, 49413, 51766, 54119, 58282, 69069, 77649, 83622, 87423, 91586, 98826, 108238, 137379, 138138, 155298, 162357, 174846, 181181, 274758, 320551, 324714, 362362, 378833, 543543, 595309, 641102, 757666, 961653, 1087086, 1136499, 1190618, 1785927, 1923306, 2272998, 3571854, 4167163, 8334326, 12501489, 25002978]

約数ペア:

[(1, 25002978), (2, 12501489), (3, 8334326), (6, 4167163), (7, 3571854), (11, 2272998), (13, 1923306), (14, 1785927), (21, 1190618), (22, 1136499), (23, 1087086), (26, 961653), (33, 757666), (39, 641102), (42, 595309), (46, 543543), (66, 378833), (69, 362362), (77, 324714), (78, 320551), (91, 274758), (138, 181181), (143, 174846), (154, 162357), (161, 155298), (181, 138138), (182, 137379), (231, 108238), (253, 98826), (273, 91586), (286, 87423), (299, 83622), (322, 77649), (362, 69069), (429, 58282), (462, 54119), (483, 51766), (506, 49413), (543, 46046), (546, 45793), (598, 41811), (759, 32942), (858, 29141), (897, 27874), (966, 25883), (1001, 24978), (1086, 23023), (1267, 19734), (1518, 16471), (1771, 14118), (1794, 13937), (1991, 12558), (2002, 12489), (2093, 11946), (2353, 10626), (2534, 9867), (3003, 8326), (3289, 7602), (3542, 7059), (3801, 6578), (3982, 6279), (4163, 6006), (4186, 5973), (4706, 5313)]