78781712

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{199}}^1\times {\mathrm{227}}^1$

素因数の和:543

約数の個数: 40

約数和(自身を含む): 155496000

約数和(自身を除く): 76714288

約数列:

[1, 2, 4, 8, 16, 109, 199, 218, 227, 398, 436, 454, 796, 872, 908, 1592, 1744, 1816, 3184, 3632, 21691, 24743, 43382, 45173, 49486, 86764, 90346, 98972, 173528, 180692, 197944, 347056, 361384, 395888, 722768, 4923857, 9847714, 19695428, 39390856, 78781712]

約数ペア:

[(1, 78781712), (2, 39390856), (4, 19695428), (8, 9847714), (16, 4923857), (109, 722768), (199, 395888), (218, 361384), (227, 347056), (398, 197944), (436, 180692), (454, 173528), (796, 98972), (872, 90346), (908, 86764), (1592, 49486), (1744, 45173), (1816, 43382), (3184, 24743), (3632, 21691)]