31509712

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{271}}^1$

素因数の和:348

約数の個数: 60

約数和(自身を含む): 67894464

約数和(自身を除く): 36384752

約数列:

[1, 2, 4, 8, 13, 16, 26, 43, 52, 86, 104, 169, 172, 208, 271, 338, 344, 542, 559, 676, 688, 1084, 1118, 1352, 2168, 2236, 2704, 3523, 4336, 4472, 7046, 7267, 8944, 11653, 14092, 14534, 23306, 28184, 29068, 45799, 46612, 56368, 58136, 91598, 93224, 116272, 151489, 183196, 186448, 302978, 366392, 605956, 732784, 1211912, 1969357, 2423824, 3938714, 7877428, 15754856, 31509712]

約数ペア:

[(1, 31509712), (2, 15754856), (4, 7877428), (8, 3938714), (13, 2423824), (16, 1969357), (26, 1211912), (43, 732784), (52, 605956), (86, 366392), (104, 302978), (169, 186448), (172, 183196), (208, 151489), (271, 116272), (338, 93224), (344, 91598), (542, 58136), (559, 56368), (676, 46612), (688, 45799), (1084, 29068), (1118, 28184), (1352, 23306), (2168, 14534), (2236, 14092), (2704, 11653), (3523, 8944), (4336, 7267), (4472, 7046)]