91225561

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1$

素因数の和:289

約数の個数: 32

約数和(自身を含む): 112492800

約数和(自身を除く): 21267239

約数列:

[1, 7, 29, 53, 61, 139, 203, 371, 427, 973, 1537, 1769, 3233, 4031, 7367, 8479, 10759, 12383, 22631, 28217, 51569, 59353, 93757, 213643, 245891, 449387, 656299, 1495501, 1721237, 3145709, 13032223, 91225561]

約数ペア:

[(1, 91225561), (7, 13032223), (29, 3145709), (53, 1721237), (61, 1495501), (139, 656299), (203, 449387), (371, 245891), (427, 213643), (973, 93757), (1537, 59353), (1769, 51569), (3233, 28217), (4031, 22631), (7367, 12383), (8479, 10759)]