78444918

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{61381}}^1$

素因数の和:61460

約数の個数: 24

約数和(自身を含む): 172360656

約数和(自身を除く): 93915738

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 639, 1278, 61381, 122762, 184143, 368286, 552429, 1104858, 4358051, 8716102, 13074153, 26148306, 39222459, 78444918]

約数ペア:

[(1, 78444918), (2, 39222459), (3, 26148306), (6, 13074153), (9, 8716102), (18, 4358051), (71, 1104858), (142, 552429), (213, 368286), (426, 184143), (639, 122762), (1278, 61381)]