219316615

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{2411}}^1$

素因数の和:2559

約数の個数: 32

約数和(自身を含む): 316763136

約数和(自身を除く): 97446521

約数列:

[1, 5, 7, 23, 35, 113, 115, 161, 565, 791, 805, 2411, 2599, 3955, 12055, 12995, 16877, 18193, 55453, 84385, 90965, 272443, 277265, 388171, 1362215, 1907101, 1940855, 6266189, 9535505, 31330945, 43863323, 219316615]

約数ペア:

[(1, 219316615), (5, 43863323), (7, 31330945), (23, 9535505), (35, 6266189), (113, 1940855), (115, 1907101), (161, 1362215), (565, 388171), (791, 277265), (805, 272443), (2411, 90965), (2599, 84385), (3955, 55453), (12055, 18193), (12995, 16877)]