64456756

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{617}}^1$

素因数の和:689

約数の個数: 72

約数和(自身を含む): 144990216

約数和(自身を除く): 80533460

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 41, 49, 52, 82, 91, 98, 164, 182, 196, 287, 364, 533, 574, 617, 637, 1066, 1148, 1234, 1274, 2009, 2132, 2468, 2548, 3731, 4018, 4319, 7462, 8021, 8036, 8638, 14924, 16042, 17276, 25297, 26117, 30233, 32084, 50594, 52234, 56147, 60466, 101188, 104468, 112294, 120932, 177079, 224588, 328861, 354158, 393029, 657722, 708316, 786058, 1239553, 1315444, 1572116, 2302027, 2479106, 4604054, 4958212, 9208108, 16114189, 32228378, 64456756]

約数ペア:

[(1, 64456756), (2, 32228378), (4, 16114189), (7, 9208108), (13, 4958212), (14, 4604054), (26, 2479106), (28, 2302027), (41, 1572116), (49, 1315444), (52, 1239553), (82, 786058), (91, 708316), (98, 657722), (164, 393029), (182, 354158), (196, 328861), (287, 224588), (364, 177079), (533, 120932), (574, 112294), (617, 104468), (637, 101188), (1066, 60466), (1148, 56147), (1234, 52234), (1274, 50594), (2009, 32084), (2132, 30233), (2468, 26117), (2548, 25297), (3731, 17276), (4018, 16042), (4319, 14924), (7462, 8638), (8021, 8036)]