818037505

素因数分解:

$5^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1\times {\mathrm{211}}^1$

素因数の和:517

約数の個数: 32

約数和(自身を含む): 1021344768

約数和(自身を除く): 203307263

約数列:

[1, 5, 67, 71, 163, 211, 335, 355, 815, 1055, 4757, 10921, 11573, 14137, 14981, 23785, 34393, 54605, 57865, 70685, 74905, 171965, 775391, 1003727, 2304331, 2441903, 3876955, 5018635, 11521655, 12209515, 163607501, 818037505]

約数ペア:

[(1, 818037505), (5, 163607501), (67, 12209515), (71, 11521655), (163, 5018635), (211, 3876955), (335, 2441903), (355, 2304331), (815, 1003727), (1055, 775391), (4757, 171965), (10921, 74905), (11573, 70685), (14137, 57865), (14981, 54605), (23785, 34393)]