219325585

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{2609}}^1$

素因数の和:2697

約数の個数: 32

約数和(自身を含む): 297665280

約数和(自身を除く): 78339695

約数列:

[1, 5, 17, 23, 43, 85, 115, 215, 391, 731, 989, 1955, 2609, 3655, 4945, 13045, 16813, 44353, 60007, 84065, 112187, 221765, 300035, 560935, 1020119, 1907179, 2580301, 5100595, 9535895, 12901505, 43865117, 219325585]

約数ペア:

[(1, 219325585), (5, 43865117), (17, 12901505), (23, 9535895), (43, 5100595), (85, 2580301), (115, 1907179), (215, 1020119), (391, 560935), (731, 300035), (989, 221765), (1955, 112187), (2609, 84065), (3655, 60007), (4945, 44353), (13045, 16813)]