9980418

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{83}}^1\times {\mathrm{409}}^1$

素因数の和:511

約数の個数: 48

約数和(自身を含む): 23556960

約数和(自身を除く): 13576542

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 83, 98, 147, 166, 249, 294, 409, 498, 581, 818, 1162, 1227, 1743, 2454, 2863, 3486, 4067, 5726, 8134, 8589, 12201, 17178, 20041, 24402, 33947, 40082, 60123, 67894, 101841, 120246, 203682, 237629, 475258, 712887, 1425774, 1663403, 3326806, 4990209, 9980418]

約数ペア:

[(1, 9980418), (2, 4990209), (3, 3326806), (6, 1663403), (7, 1425774), (14, 712887), (21, 475258), (42, 237629), (49, 203682), (83, 120246), (98, 101841), (147, 67894), (166, 60123), (249, 40082), (294, 33947), (409, 24402), (498, 20041), (581, 17178), (818, 12201), (1162, 8589), (1227, 8134), (1743, 5726), (2454, 4067), (2863, 3486)]