77872782

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{2441}}^1$

素因数の和:2868

約数の個数: 32

約数和(自身を含む): 168204960

約数和(自身を除く): 90332178

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 409, 818, 1227, 2441, 2454, 4882, 5317, 7323, 10634, 14646, 15951, 31733, 31902, 63466, 95199, 190398, 998369, 1996738, 2995107, 5990214, 12978797, 25957594, 38936391, 77872782]

約数ペア:

[(1, 77872782), (2, 38936391), (3, 25957594), (6, 12978797), (13, 5990214), (26, 2995107), (39, 1996738), (78, 998369), (409, 190398), (818, 95199), (1227, 63466), (2441, 31902), (2454, 31733), (4882, 15951), (5317, 14646), (7323, 10634)]