209451364

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{191}}^1\times {\mathrm{307}}^1$

素因数の和:568

約数の個数: 48

約数和(自身を含む): 397393920

約数和(自身を除く): 187942556

約数列:

[1, 2, 4, 19, 38, 47, 76, 94, 188, 191, 307, 382, 614, 764, 893, 1228, 1786, 3572, 3629, 5833, 7258, 8977, 11666, 14429, 14516, 17954, 23332, 28858, 35908, 57716, 58637, 117274, 170563, 234548, 274151, 341126, 548302, 682252, 1096604, 1114103, 2228206, 2755939, 4456412, 5511878, 11023756, 52362841, 104725682, 209451364]

約数ペア:

[(1, 209451364), (2, 104725682), (4, 52362841), (19, 11023756), (38, 5511878), (47, 4456412), (76, 2755939), (94, 2228206), (188, 1114103), (191, 1096604), (307, 682252), (382, 548302), (614, 341126), (764, 274151), (893, 234548), (1228, 170563), (1786, 117274), (3572, 58637), (3629, 57716), (5833, 35908), (7258, 28858), (8977, 23332), (11666, 17954), (14429, 14516)]