2009778065

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{139}}^1\times {\mathrm{2131}}^1$

素因数の和:2357

約数の個数: 32

約数和(自身を含む): 2578867200

約数和(自身を除く): 569089135

約数列:

[1, 5, 23, 59, 115, 139, 295, 695, 1357, 2131, 3197, 6785, 8201, 10655, 15985, 41005, 49013, 125729, 188623, 245065, 296209, 628645, 943115, 1481045, 2891767, 6812807, 14458835, 17476331, 34064035, 87381655, 401955613, 2009778065]

約数ペア:

[(1, 2009778065), (5, 401955613), (23, 87381655), (59, 34064035), (115, 17476331), (139, 14458835), (295, 6812807), (695, 2891767), (1357, 1481045), (2131, 943115), (3197, 628645), (6785, 296209), (8201, 245065), (10655, 188623), (15985, 125729), (41005, 49013)]