31891626

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{8017}}^1$

素因数の和:8055

約数の個数: 48

約数和(自身を含む): 78800904

約数和(自身を除く): 46909278

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 26, 34, 39, 51, 78, 102, 117, 153, 221, 234, 306, 442, 663, 1326, 1989, 3978, 8017, 16034, 24051, 48102, 72153, 104221, 136289, 144306, 208442, 272578, 312663, 408867, 625326, 817734, 937989, 1226601, 1771757, 1875978, 2453202, 3543514, 5315271, 10630542, 15945813, 31891626]

約数ペア:

[(1, 31891626), (2, 15945813), (3, 10630542), (6, 5315271), (9, 3543514), (13, 2453202), (17, 1875978), (18, 1771757), (26, 1226601), (34, 937989), (39, 817734), (51, 625326), (78, 408867), (102, 312663), (117, 272578), (153, 208442), (221, 144306), (234, 136289), (306, 104221), (442, 72153), (663, 48102), (1326, 24051), (1989, 16034), (3978, 8017)]