647014790

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{443}}^1\times {\mathrm{7687}}^1$

素因数の和:8156

約数の個数: 32

約数和(自身を含む): 1228849920

約数和(自身を除く): 581835130

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 443, 886, 2215, 4430, 7687, 8417, 15374, 16834, 38435, 42085, 76870, 84170, 146053, 292106, 730265, 1460530, 3405341, 6810682, 17026705, 34053410, 64701479, 129402958, 323507395, 647014790]

約数ペア:

[(1, 647014790), (2, 323507395), (5, 129402958), (10, 64701479), (19, 34053410), (38, 17026705), (95, 6810682), (190, 3405341), (443, 1460530), (886, 730265), (2215, 292106), (4430, 146053), (7687, 84170), (8417, 76870), (15374, 42085), (16834, 38435)]