254781254

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{701}}^1\times {\mathrm{1997}}^1$

素因数の和:2720

約数の個数: 32

約数和(自身を含む): 471272256

約数和(自身を除く): 216491002

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 701, 1402, 1997, 3994, 4907, 9113, 9814, 13979, 18226, 25961, 27958, 51922, 63791, 127582, 181727, 363454, 1399897, 2799794, 9799279, 18198661, 19598558, 36397322, 127390627, 254781254]

約数ペア:

[(1, 254781254), (2, 127390627), (7, 36397322), (13, 19598558), (14, 18198661), (26, 9799279), (91, 2799794), (182, 1399897), (701, 363454), (1402, 181727), (1997, 127582), (3994, 63791), (4907, 51922), (9113, 27958), (9814, 25961), (13979, 18226)]