308889438

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{521}}^1\times {\mathrm{691}}^1$

素因数の和:1241

約数の個数: 64

約数和(自身を含む): 728227584

約数和(自身を除く): 419338146

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 66, 78, 143, 286, 429, 521, 691, 858, 1042, 1382, 1563, 2073, 3126, 4146, 5731, 6773, 7601, 8983, 11462, 13546, 15202, 17193, 17966, 20319, 22803, 26949, 34386, 40638, 45606, 53898, 74503, 98813, 149006, 197626, 223509, 296439, 360011, 447018, 592878, 720022, 1080033, 2160066, 3960121, 4680143, 7920242, 9360286, 11880363, 14040429, 23760726, 28080858, 51481573, 102963146, 154444719, 308889438]

約数ペア:

[(1, 308889438), (2, 154444719), (3, 102963146), (6, 51481573), (11, 28080858), (13, 23760726), (22, 14040429), (26, 11880363), (33, 9360286), (39, 7920242), (66, 4680143), (78, 3960121), (143, 2160066), (286, 1080033), (429, 720022), (521, 592878), (691, 447018), (858, 360011), (1042, 296439), (1382, 223509), (1563, 197626), (2073, 149006), (3126, 98813), (4146, 74503), (5731, 53898), (6773, 45606), (7601, 40638), (8983, 34386), (11462, 26949), (13546, 22803), (15202, 20319), (17193, 17966)]