208473605

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{2441}}^1$

素因数の和:2525

約数の個数: 32

約数和(自身を含む): 281318400

約数和(自身を除く): 72844795

約数列:

[1, 5, 19, 29, 31, 95, 145, 155, 551, 589, 899, 2441, 2755, 2945, 4495, 12205, 17081, 46379, 70789, 75671, 85405, 231895, 353945, 378355, 1344991, 1437749, 2194459, 6724955, 7188745, 10972295, 41694721, 208473605]

約数ペア:

[(1, 208473605), (5, 41694721), (19, 10972295), (29, 7188745), (31, 6724955), (95, 2194459), (145, 1437749), (155, 1344991), (551, 378355), (589, 353945), (899, 231895), (2441, 85405), (2755, 75671), (2945, 70789), (4495, 46379), (12205, 17081)]