287357774

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{137}}^1\times {\mathrm{1423}}^1$

素因数の和:1640

約数の個数: 32

約数和(自身を含む): 481061376

約数和(自身を除く): 193703602

約数列:

[1, 2, 11, 22, 67, 134, 137, 274, 737, 1423, 1474, 1507, 2846, 3014, 9179, 15653, 18358, 31306, 95341, 100969, 190682, 194951, 201938, 389902, 1048751, 2097502, 2144461, 4288922, 13061717, 26123434, 143678887, 287357774]

約数ペア:

[(1, 287357774), (2, 143678887), (11, 26123434), (22, 13061717), (67, 4288922), (134, 2144461), (137, 2097502), (274, 1048751), (737, 389902), (1423, 201938), (1474, 194951), (1507, 190682), (2846, 100969), (3014, 95341), (9179, 31306), (15653, 18358)]