31357638

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2351}}^1$

素因数の和:2394

約数の個数: 64

約数和(自身を含む): 79027200

約数和(自身を除く): 47669562

約数列:

[1, 2, 3, 6, 9, 13, 18, 19, 26, 27, 38, 39, 54, 57, 78, 114, 117, 171, 234, 247, 342, 351, 494, 513, 702, 741, 1026, 1482, 2223, 2351, 4446, 4702, 6669, 7053, 13338, 14106, 21159, 30563, 42318, 44669, 61126, 63477, 89338, 91689, 126954, 134007, 183378, 268014, 275067, 402021, 550134, 580697, 804042, 825201, 1161394, 1206063, 1650402, 1742091, 2412126, 3484182, 5226273, 10452546, 15678819, 31357638]

約数ペア:

[(1, 31357638), (2, 15678819), (3, 10452546), (6, 5226273), (9, 3484182), (13, 2412126), (18, 1742091), (19, 1650402), (26, 1206063), (27, 1161394), (38, 825201), (39, 804042), (54, 580697), (57, 550134), (78, 402021), (114, 275067), (117, 268014), (171, 183378), (234, 134007), (247, 126954), (342, 91689), (351, 89338), (494, 63477), (513, 61126), (702, 44669), (741, 42318), (1026, 30563), (1482, 21159), (2223, 14106), (2351, 13338), (4446, 7053), (4702, 6669)]