278393974131

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{211}}^1\times {\mathrm{130621}}^1$

素因数の和:130892

約数の個数: 64

約数和(自身を含む): 471426292736

約数和(自身を除く): 193032318605

約数列:

[1, 3, 7, 13, 21, 37, 39, 91, 111, 211, 259, 273, 481, 633, 777, 1443, 1477, 2743, 3367, 4431, 7807, 8229, 10101, 19201, 23421, 54649, 57603, 101491, 130621, 163947, 304473, 391863, 710437, 914347, 1698073, 2131311, 2743041, 4832977, 5094219, 11886511, 14498931, 27561031, 33830839, 35659533, 62828701, 82683093, 101492517, 188486103, 192927217, 358293403, 439800907, 578781651, 1019758147, 1074880209, 1319402721, 2508053821, 3059274441, 7138307029, 7524161463, 13256855911, 21414921087, 39770567733, 92797991377, 278393974131]

約数ペア:

[(1, 278393974131), (3, 92797991377), (7, 39770567733), (13, 21414921087), (21, 13256855911), (37, 7524161463), (39, 7138307029), (91, 3059274441), (111, 2508053821), (211, 1319402721), (259, 1074880209), (273, 1019758147), (481, 578781651), (633, 439800907), (777, 358293403), (1443, 192927217), (1477, 188486103), (2743, 101492517), (3367, 82683093), (4431, 62828701), (7807, 35659533), (8229, 33830839), (10101, 27561031), (19201, 14498931), (23421, 11886511), (54649, 5094219), (57603, 4832977), (101491, 2743041), (130621, 2131311), (163947, 1698073), (304473, 914347), (391863, 710437)]