280565582

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1\times {\mathrm{1453}}^1$

素因数の和:1664

約数の個数: 32

約数和(自身を含む): 469839744

約数和(自身を除く): 189274162

約数列:

[1, 2, 11, 22, 67, 131, 134, 262, 737, 1441, 1453, 1474, 2882, 2906, 8777, 15983, 17554, 31966, 96547, 97351, 190343, 193094, 194702, 380686, 1070861, 2093773, 2141722, 4187546, 12752981, 25505962, 140282791, 280565582]

約数ペア:

[(1, 280565582), (2, 140282791), (11, 25505962), (22, 12752981), (67, 4187546), (131, 2141722), (134, 2093773), (262, 1070861), (737, 380686), (1441, 194702), (1453, 193094), (1474, 190343), (2882, 97351), (2906, 96547), (8777, 31966), (15983, 17554)]