81687648

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{121559}}^1$

素因数の和:121579

約数の個数: 48

約数和(自身を含む): 245064960

約数和(自身を除く): 163377312

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 84, 96, 112, 168, 224, 336, 672, 121559, 243118, 364677, 486236, 729354, 850913, 972472, 1458708, 1701826, 1944944, 2552739, 2917416, 3403652, 3889888, 5105478, 5834832, 6807304, 10210956, 11669664, 13614608, 20421912, 27229216, 40843824, 81687648]

約数ペア:

[(1, 81687648), (2, 40843824), (3, 27229216), (4, 20421912), (6, 13614608), (7, 11669664), (8, 10210956), (12, 6807304), (14, 5834832), (16, 5105478), (21, 3889888), (24, 3403652), (28, 2917416), (32, 2552739), (42, 1944944), (48, 1701826), (56, 1458708), (84, 972472), (96, 850913), (112, 729354), (168, 486236), (224, 364677), (336, 243118), (672, 121559)]