26981284

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{151}}^1$

素因数の和:328

約数の個数: 48

約数和(自身を含む): 53932032

約数和(自身を除く): 26950748

約数列:

[1, 2, 4, 11, 22, 31, 44, 62, 124, 131, 151, 262, 302, 341, 524, 604, 682, 1364, 1441, 1661, 2882, 3322, 4061, 4681, 5764, 6644, 8122, 9362, 16244, 18724, 19781, 39562, 44671, 51491, 79124, 89342, 102982, 178684, 205964, 217591, 435182, 613211, 870364, 1226422, 2452844, 6745321, 13490642, 26981284]

約数ペア:

[(1, 26981284), (2, 13490642), (4, 6745321), (11, 2452844), (22, 1226422), (31, 870364), (44, 613211), (62, 435182), (124, 217591), (131, 205964), (151, 178684), (262, 102982), (302, 89342), (341, 79124), (524, 51491), (604, 44671), (682, 39562), (1364, 19781), (1441, 18724), (1661, 16244), (2882, 9362), (3322, 8122), (4061, 6644), (4681, 5764)]