914442487

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{191}}^1\times {\mathrm{227}}^1$

素因数の和:579

約数の個数: 32

約数和(自身を含む): 1109458944

約数和(自身を除く): 195016457

約数列:

[1, 7, 23, 131, 161, 191, 227, 917, 1337, 1589, 3013, 4393, 5221, 21091, 25021, 29737, 30751, 36547, 43357, 175147, 208159, 303499, 575483, 683951, 997211, 4028381, 4787657, 5679767, 6980477, 39758369, 130634641, 914442487]

約数ペア:

[(1, 914442487), (7, 130634641), (23, 39758369), (131, 6980477), (161, 5679767), (191, 4787657), (227, 4028381), (917, 997211), (1337, 683951), (1589, 575483), (3013, 303499), (4393, 208159), (5221, 175147), (21091, 43357), (25021, 36547), (29737, 30751)]