31551286

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{17}}^3\times {\mathrm{19}}^1$

素因数の和:98

約数の個数: 48

約数和(自身を含む): 57315600

約数和(自身を除く): 25764314

約数列:

[1, 2, 13, 17, 19, 26, 34, 38, 169, 221, 247, 289, 323, 338, 442, 494, 578, 646, 2873, 3211, 3757, 4199, 4913, 5491, 5746, 6422, 7514, 8398, 9826, 10982, 48841, 54587, 63869, 71383, 93347, 97682, 109174, 127738, 142766, 186694, 830297, 927979, 1213511, 1660594, 1855958, 2427022, 15775643, 31551286]

約数ペア:

[(1, 31551286), (2, 15775643), (13, 2427022), (17, 1855958), (19, 1660594), (26, 1213511), (34, 927979), (38, 830297), (169, 186694), (221, 142766), (247, 127738), (289, 109174), (323, 97682), (338, 93347), (442, 71383), (494, 63869), (578, 54587), (646, 48841), (2873, 10982), (3211, 9826), (3757, 8398), (4199, 7514), (4913, 6422), (5491, 5746)]