31491798

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^3\times {\mathrm{2389}}^1$

素因数の和:2433

約数の個数: 32

約数和(自身を含む): 68258400

約数和(自身を除く): 36766602

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 169, 338, 507, 1014, 2197, 2389, 4394, 4778, 6591, 7167, 13182, 14334, 31057, 62114, 93171, 186342, 403741, 807482, 1211223, 2422446, 5248633, 10497266, 15745899, 31491798]

約数ペア:

[(1, 31491798), (2, 15745899), (3, 10497266), (6, 5248633), (13, 2422446), (26, 1211223), (39, 807482), (78, 403741), (169, 186342), (338, 93171), (507, 62114), (1014, 31057), (2197, 14334), (2389, 13182), (4394, 7167), (4778, 6591)]