27991418

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{109}}^1$

素因数の和:231

約数の個数: 64

約数和(自身を含む): 55883520

約数和(自身を除く): 27892102

約数列:

[1, 2, 7, 13, 14, 17, 26, 34, 83, 91, 109, 119, 166, 182, 218, 221, 238, 442, 581, 763, 1079, 1162, 1411, 1417, 1526, 1547, 1853, 2158, 2822, 2834, 3094, 3706, 7553, 9047, 9877, 9919, 12971, 15106, 18094, 18343, 19754, 19838, 24089, 25942, 36686, 48178, 63329, 117611, 126658, 128401, 153799, 168623, 235222, 256802, 307598, 337246, 823277, 1076593, 1646554, 1999387, 2153186, 3998774, 13995709, 27991418]

約数ペア:

[(1, 27991418), (2, 13995709), (7, 3998774), (13, 2153186), (14, 1999387), (17, 1646554), (26, 1076593), (34, 823277), (83, 337246), (91, 307598), (109, 256802), (119, 235222), (166, 168623), (182, 153799), (218, 128401), (221, 126658), (238, 117611), (442, 63329), (581, 48178), (763, 36686), (1079, 25942), (1162, 24089), (1411, 19838), (1417, 19754), (1526, 18343), (1547, 18094), (1853, 15106), (2158, 12971), (2822, 9919), (2834, 9877), (3094, 9047), (3706, 7553)]