666909768

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{28559}}^1$

素因数の和:28714

約数の個数: 64

約数和(自身を含む): 1919232000

約数和(自身を除く): 1252322232

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 139, 168, 278, 417, 556, 834, 973, 1112, 1668, 1946, 2919, 3336, 3892, 5838, 7784, 11676, 23352, 28559, 57118, 85677, 114236, 171354, 199913, 228472, 342708, 399826, 599739, 685416, 799652, 1199478, 1599304, 2398956, 3969701, 4797912, 7939402, 11909103, 15878804, 23818206, 27787907, 31757608, 47636412, 55575814, 83363721, 95272824, 111151628, 166727442, 222303256, 333454884, 666909768]

約数ペア:

[(1, 666909768), (2, 333454884), (3, 222303256), (4, 166727442), (6, 111151628), (7, 95272824), (8, 83363721), (12, 55575814), (14, 47636412), (21, 31757608), (24, 27787907), (28, 23818206), (42, 15878804), (56, 11909103), (84, 7939402), (139, 4797912), (168, 3969701), (278, 2398956), (417, 1599304), (556, 1199478), (834, 799652), (973, 685416), (1112, 599739), (1668, 399826), (1946, 342708), (2919, 228472), (3336, 199913), (3892, 171354), (5838, 114236), (7784, 85677), (11676, 57118), (23352, 28559)]