1981677607

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{211}}^1\times {\mathrm{467}}^1$

素因数の和:728

約数の個数: 48

約数和(自身を含む): 2614540032

約数和(自身を除く): 632862425

約数列:

[1, 7, 13, 17, 91, 119, 169, 211, 221, 467, 1183, 1477, 1547, 2743, 2873, 3269, 3587, 6071, 7939, 19201, 20111, 25109, 35659, 42497, 46631, 55573, 78923, 98537, 103207, 249613, 326417, 552461, 606203, 689759, 722449, 1280981, 1341691, 1675129, 4243421, 8966867, 9391837, 11725903, 16652753, 21776677, 116569271, 152436739, 283096801, 1981677607]

約数ペア:

[(1, 1981677607), (7, 283096801), (13, 152436739), (17, 116569271), (91, 21776677), (119, 16652753), (169, 11725903), (211, 9391837), (221, 8966867), (467, 4243421), (1183, 1675129), (1477, 1341691), (1547, 1280981), (2743, 722449), (2873, 689759), (3269, 606203), (3587, 552461), (6071, 326417), (7939, 249613), (19201, 103207), (20111, 98537), (25109, 78923), (35659, 55573), (42497, 46631)]