31508906

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^2\times {\mathrm{131}}^1$

素因数の和:215

約数の個数: 48

約数和(自身を含む): 57945888

約数和(自身を除く): 26436982

約数列:

[1, 2, 11, 13, 22, 26, 29, 58, 131, 143, 262, 286, 319, 377, 638, 754, 841, 1441, 1682, 1703, 2882, 3406, 3799, 4147, 7598, 8294, 9251, 10933, 18502, 18733, 21866, 37466, 41789, 49387, 83578, 98774, 110171, 120263, 220342, 240526, 543257, 1086514, 1211881, 1432223, 2423762, 2864446, 15754453, 31508906]

約数ペア:

[(1, 31508906), (2, 15754453), (11, 2864446), (13, 2423762), (22, 1432223), (26, 1211881), (29, 1086514), (58, 543257), (131, 240526), (143, 220342), (262, 120263), (286, 110171), (319, 98774), (377, 83578), (638, 49387), (754, 41789), (841, 37466), (1441, 21866), (1682, 18733), (1703, 18502), (2882, 10933), (3406, 9251), (3799, 8294), (4147, 7598)]