215513948

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{17341}}^1$

素因数の和:17597

約数の個数: 24

約数和(自身を含む): 407883840

約数和(自身を除く): 192369892

約数列:

[1, 2, 4, 13, 26, 52, 239, 478, 956, 3107, 6214, 12428, 17341, 34682, 69364, 225433, 450866, 901732, 4144499, 8288998, 16577996, 53878487, 107756974, 215513948]

約数ペア:

[(1, 215513948), (2, 107756974), (4, 53878487), (13, 16577996), (26, 8288998), (52, 4144499), (239, 901732), (478, 450866), (956, 225433), (3107, 69364), (6214, 34682), (12428, 17341)]