30991702

素因数分解:

$2^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{149}}^1\times {\mathrm{179}}^1$

素因数の和:420

約数の個数: 32

約数和(自身を含む): 54432000

約数和(自身を除く): 23440298

約数列:

[1, 2, 7, 14, 83, 149, 166, 179, 298, 358, 581, 1043, 1162, 1253, 2086, 2506, 12367, 14857, 24734, 26671, 29714, 53342, 86569, 103999, 173138, 186697, 207998, 373394, 2213693, 4427386, 15495851, 30991702]

約数ペア:

[(1, 30991702), (2, 15495851), (7, 4427386), (14, 2213693), (83, 373394), (149, 207998), (166, 186697), (179, 173138), (298, 103999), (358, 86569), (581, 53342), (1043, 29714), (1162, 26671), (1253, 24734), (2086, 14857), (2506, 12367)]