31439226

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{811}}^1$

素因数の和:907

約数の個数: 64

約数和(自身を含む): 78575616

約数和(自身を除く): 47136390

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 71, 78, 91, 142, 182, 213, 273, 426, 497, 546, 811, 923, 994, 1491, 1622, 1846, 2433, 2769, 2982, 4866, 5538, 5677, 6461, 10543, 11354, 12922, 17031, 19383, 21086, 31629, 34062, 38766, 57581, 63258, 73801, 115162, 147602, 172743, 221403, 345486, 403067, 442806, 748553, 806134, 1209201, 1497106, 2245659, 2418402, 4491318, 5239871, 10479742, 15719613, 31439226]

約数ペア:

[(1, 31439226), (2, 15719613), (3, 10479742), (6, 5239871), (7, 4491318), (13, 2418402), (14, 2245659), (21, 1497106), (26, 1209201), (39, 806134), (42, 748553), (71, 442806), (78, 403067), (91, 345486), (142, 221403), (182, 172743), (213, 147602), (273, 115162), (426, 73801), (497, 63258), (546, 57581), (811, 38766), (923, 34062), (994, 31629), (1491, 21086), (1622, 19383), (1846, 17031), (2433, 12922), (2769, 11354), (2982, 10543), (4866, 6461), (5538, 5677)]