31245318

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{947}}^1$

素因数の和:1018

約数の個数: 64

約数和(自身を含む): 76446720

約数和(自身を除く): 45201402

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 47, 54, 78, 94, 117, 141, 234, 282, 351, 423, 611, 702, 846, 947, 1222, 1269, 1833, 1894, 2538, 2841, 3666, 5499, 5682, 8523, 10998, 12311, 16497, 17046, 24622, 25569, 32994, 36933, 44509, 51138, 73866, 89018, 110799, 133527, 221598, 267054, 332397, 400581, 578617, 664794, 801162, 1157234, 1201743, 1735851, 2403486, 3471702, 5207553, 10415106, 15622659, 31245318]

約数ペア:

[(1, 31245318), (2, 15622659), (3, 10415106), (6, 5207553), (9, 3471702), (13, 2403486), (18, 1735851), (26, 1201743), (27, 1157234), (39, 801162), (47, 664794), (54, 578617), (78, 400581), (94, 332397), (117, 267054), (141, 221598), (234, 133527), (282, 110799), (351, 89018), (423, 73866), (611, 51138), (702, 44509), (846, 36933), (947, 32994), (1222, 25569), (1269, 24622), (1833, 17046), (1894, 16497), (2538, 12311), (2841, 10998), (3666, 8523), (5499, 5682)]