660662818

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{389}}^1\times {\mathrm{13921}}^1$

素因数の和:14373

約数の個数: 16

約数和(自身を含む): 1009901880

約数和(自身を除く): 349239062

約数列:

[1, 2, 61, 122, 389, 778, 13921, 23729, 27842, 47458, 849181, 1698362, 5415269, 10830538, 330331409, 660662818]

約数ペア:

[(1, 660662818), (2, 330331409), (61, 10830538), (122, 5415269), (389, 1698362), (778, 849181), (13921, 47458), (23729, 27842)]