64641528

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{128257}}^1$

素因数の和:128276

約数の個数: 48

約数和(自身を含む): 200082480

約数和(自身を除く): 135440952

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 126, 168, 252, 504, 128257, 256514, 384771, 513028, 769542, 897799, 1026056, 1154313, 1539084, 1795598, 2308626, 2693397, 3078168, 3591196, 4617252, 5386794, 7182392, 8080191, 9234504, 10773588, 16160382, 21547176, 32320764, 64641528]

約数ペア:

[(1, 64641528), (2, 32320764), (3, 21547176), (4, 16160382), (6, 10773588), (7, 9234504), (8, 8080191), (9, 7182392), (12, 5386794), (14, 4617252), (18, 3591196), (21, 3078168), (24, 2693397), (28, 2308626), (36, 1795598), (42, 1539084), (56, 1154313), (63, 1026056), (72, 897799), (84, 769542), (126, 513028), (168, 384771), (252, 256514), (504, 128257)]