280147318

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{223}}^1\times {\mathrm{3359}}^1$

素因数の和:3612

約数の個数: 32

約数和(自身を含む): 487710720

約数和(自身を除く): 207563402

約数列:

[1, 2, 11, 17, 22, 34, 187, 223, 374, 446, 2453, 3359, 3791, 4906, 6718, 7582, 36949, 41701, 57103, 73898, 83402, 114206, 628133, 749057, 1256266, 1498114, 8239627, 12733969, 16479254, 25467938, 140073659, 280147318]

約数ペア:

[(1, 280147318), (2, 140073659), (11, 25467938), (17, 16479254), (22, 12733969), (34, 8239627), (187, 1498114), (223, 1256266), (374, 749057), (446, 628133), (2453, 114206), (3359, 83402), (3791, 73898), (4906, 57103), (6718, 41701), (7582, 36949)]