687883924

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{60961}}^1$

素因数の和:61016

約数の個数: 48

約数和(自身を含む): 1529414656

約数和(自身を除く): 841530732

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 31, 52, 62, 91, 124, 182, 217, 364, 403, 434, 806, 868, 1612, 2821, 5642, 11284, 60961, 121922, 243844, 426727, 792493, 853454, 1584986, 1706908, 1889791, 3169972, 3779582, 5547451, 7559164, 11094902, 13228537, 22189804, 24567283, 26457074, 49134566, 52914148, 98269132, 171970981, 343941962, 687883924]

約数ペア:

[(1, 687883924), (2, 343941962), (4, 171970981), (7, 98269132), (13, 52914148), (14, 49134566), (26, 26457074), (28, 24567283), (31, 22189804), (52, 13228537), (62, 11094902), (91, 7559164), (124, 5547451), (182, 3779582), (217, 3169972), (364, 1889791), (403, 1706908), (434, 1584986), (806, 853454), (868, 792493), (1612, 426727), (2821, 243844), (5642, 121922), (11284, 60961)]