681892562

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{277}}^1\times {\mathrm{1297}}^1$

素因数の和:1662

約数の個数: 32

約数和(自身を含む): 1121503152

約数和(自身を除く): 439610590

約数列:

[1, 2, 13, 26, 73, 146, 277, 554, 949, 1297, 1898, 2594, 3601, 7202, 16861, 20221, 33722, 40442, 94681, 189362, 262873, 359269, 525746, 718538, 1230853, 2461706, 4670497, 9340994, 26226637, 52453274, 340946281, 681892562]

約数ペア:

[(1, 681892562), (2, 340946281), (13, 52453274), (26, 26226637), (73, 9340994), (146, 4670497), (277, 2461706), (554, 1230853), (949, 718538), (1297, 525746), (1898, 359269), (2594, 262873), (3601, 189362), (7202, 94681), (16861, 40442), (20221, 33722)]