39957148

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{431}}^1$

素因数の和:503

約数の個数: 72

約数和(自身を含む): 91010304

約数和(自身を除く): 51053156

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 43, 44, 49, 77, 86, 98, 154, 172, 196, 301, 308, 431, 473, 539, 602, 862, 946, 1078, 1204, 1724, 1892, 2107, 2156, 3017, 3311, 4214, 4741, 6034, 6622, 8428, 9482, 12068, 13244, 18533, 18964, 21119, 23177, 33187, 37066, 42238, 46354, 66374, 74132, 84476, 92708, 129731, 132748, 203863, 232309, 259462, 407726, 464618, 518924, 815452, 908117, 929236, 1427041, 1816234, 2854082, 3632468, 5708164, 9989287, 19978574, 39957148]

約数ペア:

[(1, 39957148), (2, 19978574), (4, 9989287), (7, 5708164), (11, 3632468), (14, 2854082), (22, 1816234), (28, 1427041), (43, 929236), (44, 908117), (49, 815452), (77, 518924), (86, 464618), (98, 407726), (154, 259462), (172, 232309), (196, 203863), (301, 132748), (308, 129731), (431, 92708), (473, 84476), (539, 74132), (602, 66374), (862, 46354), (946, 42238), (1078, 37066), (1204, 33187), (1724, 23177), (1892, 21119), (2107, 18964), (2156, 18533), (3017, 13244), (3311, 12068), (4214, 9482), (4741, 8428), (6034, 6622)]