642139492

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1\times {\mathrm{181}}^1$

素因数の和:476

約数の個数: 48

約数和(自身を含む): 1165964800

約数和(自身を除く): 523825308

約数列:

[1, 2, 4, 79, 103, 109, 158, 181, 206, 218, 316, 362, 412, 436, 724, 8137, 8611, 11227, 14299, 16274, 17222, 18643, 19729, 22454, 28598, 32548, 34444, 37286, 39458, 44908, 57196, 74572, 78916, 886933, 1472797, 1558591, 1773866, 2032087, 2945594, 3117182, 3547732, 4064174, 5891188, 6234364, 8128348, 160534873, 321069746, 642139492]

約数ペア:

[(1, 642139492), (2, 321069746), (4, 160534873), (79, 8128348), (103, 6234364), (109, 5891188), (158, 4064174), (181, 3547732), (206, 3117182), (218, 2945594), (316, 2032087), (362, 1773866), (412, 1558591), (436, 1472797), (724, 886933), (8137, 78916), (8611, 74572), (11227, 57196), (14299, 44908), (16274, 39458), (17222, 37286), (18643, 34444), (19729, 32548), (22454, 28598)]