645273356

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{253247}}^1$

素因数の和:253278

約数の個数: 36

約数和(自身を含む): 1414643328

約数和(自身を除く): 769369972

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 91, 98, 182, 196, 364, 637, 1274, 2548, 253247, 506494, 1012988, 1772729, 3292211, 3545458, 6584422, 7090916, 12409103, 13168844, 23045477, 24818206, 46090954, 49636412, 92181908, 161318339, 322636678, 645273356]

約数ペア:

[(1, 645273356), (2, 322636678), (4, 161318339), (7, 92181908), (13, 49636412), (14, 46090954), (26, 24818206), (28, 23045477), (49, 13168844), (52, 12409103), (91, 7090916), (98, 6584422), (182, 3545458), (196, 3292211), (364, 1772729), (637, 1012988), (1274, 506494), (2548, 253247)]