220015928

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{80651}}^1$

素因数の和:80699

約数の個数: 32

約数和(自身を含む): 464555520

約数和(自身を除く): 244539592

約数列:

[1, 2, 4, 8, 11, 22, 31, 44, 62, 88, 124, 248, 341, 682, 1364, 2728, 80651, 161302, 322604, 645208, 887161, 1774322, 2500181, 3548644, 5000362, 7097288, 10000724, 20001448, 27501991, 55003982, 110007964, 220015928]

約数ペア:

[(1, 220015928), (2, 110007964), (4, 55003982), (8, 27501991), (11, 20001448), (22, 10000724), (31, 7097288), (44, 5000362), (62, 3548644), (88, 2500181), (124, 1774322), (248, 887161), (341, 645208), (682, 322604), (1364, 161302), (2728, 80651)]