201911941

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{2113}}^1$

素因数の和:2221

約数の個数: 32

約数和(自身を含む): 270321408

約数和(自身を除く): 68409467

約数列:

[1, 7, 11, 17, 73, 77, 119, 187, 511, 803, 1241, 1309, 2113, 5621, 8687, 13651, 14791, 23243, 35921, 95557, 154249, 162701, 251447, 395131, 1079743, 1696739, 2622233, 2765917, 11877173, 18355631, 28844563, 201911941]

約数ペア:

[(1, 201911941), (7, 28844563), (11, 18355631), (17, 11877173), (73, 2765917), (77, 2622233), (119, 1696739), (187, 1079743), (511, 395131), (803, 251447), (1241, 162701), (1309, 154249), (2113, 95557), (5621, 35921), (8687, 23243), (13651, 14791)]