63278540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{947}}^1$

素因数の和:1226

約数の個数: 48

約数和(自身を含む): 143815392

約数和(自身を除く): 80536852

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 257, 260, 514, 947, 1028, 1285, 1894, 2570, 3341, 3788, 4735, 5140, 6682, 9470, 12311, 13364, 16705, 18940, 24622, 33410, 49244, 61555, 66820, 123110, 243379, 246220, 486758, 973516, 1216895, 2433790, 3163927, 4867580, 6327854, 12655708, 15819635, 31639270, 63278540]

約数ペア:

[(1, 63278540), (2, 31639270), (4, 15819635), (5, 12655708), (10, 6327854), (13, 4867580), (20, 3163927), (26, 2433790), (52, 1216895), (65, 973516), (130, 486758), (257, 246220), (260, 243379), (514, 123110), (947, 66820), (1028, 61555), (1285, 49244), (1894, 33410), (2570, 24622), (3341, 18940), (3788, 16705), (4735, 13364), (5140, 12311), (6682, 9470)]