389630878

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{1303}}^1$

素因数の和:1409

約数の個数: 64

約数和(自身を含む): 757112832

約数和(自身を除く): 367481954

約数列:

[1, 2, 7, 13, 14, 26, 31, 53, 62, 91, 106, 182, 217, 371, 403, 434, 689, 742, 806, 1303, 1378, 1643, 2606, 2821, 3286, 4823, 5642, 9121, 9646, 11501, 16939, 18242, 21359, 23002, 33878, 40393, 42718, 69059, 80786, 118573, 138118, 149513, 237146, 282751, 299026, 483413, 525109, 565502, 897767, 966826, 1050218, 1795534, 2140829, 3675763, 4281658, 6284369, 7351526, 12568738, 14985803, 27830777, 29971606, 55661554, 194815439, 389630878]

約数ペア:

[(1, 389630878), (2, 194815439), (7, 55661554), (13, 29971606), (14, 27830777), (26, 14985803), (31, 12568738), (53, 7351526), (62, 6284369), (91, 4281658), (106, 3675763), (182, 2140829), (217, 1795534), (371, 1050218), (403, 966826), (434, 897767), (689, 565502), (742, 525109), (806, 483413), (1303, 299026), (1378, 282751), (1643, 237146), (2606, 149513), (2821, 138118), (3286, 118573), (4823, 80786), (5642, 69059), (9121, 42718), (9646, 40393), (11501, 33878), (16939, 23002), (18242, 21359)]