1278882794

素因数分解:

$2^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{307}}^1\times {\mathrm{1997}}^1$

素因数の和:2462

約数の個数: 32

約数和(自身を含む): 2215382400

約数和(自身を除く): 936499606

約数列:

[1, 2, 7, 14, 149, 298, 307, 614, 1043, 1997, 2086, 2149, 3994, 4298, 13979, 27958, 45743, 91486, 297553, 320201, 595106, 613079, 640402, 1226158, 2082871, 4165742, 4291553, 8583106, 91348771, 182697542, 639441397, 1278882794]

約数ペア:

[(1, 1278882794), (2, 639441397), (7, 182697542), (14, 91348771), (149, 8583106), (298, 4291553), (307, 4165742), (614, 2082871), (1043, 1226158), (1997, 640402), (2086, 613079), (2149, 595106), (3994, 320201), (4298, 297553), (13979, 91486), (27958, 45743)]