256870458

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{37853}}^1$

素因数の和:37903

約数の個数: 48

約数和(自身を含む): 620048520

約数和(自身を除く): 363178062

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 29, 39, 58, 78, 87, 117, 174, 234, 261, 377, 522, 754, 1131, 2262, 3393, 6786, 37853, 75706, 113559, 227118, 340677, 492089, 681354, 984178, 1097737, 1476267, 2195474, 2952534, 3293211, 4428801, 6586422, 8857602, 9879633, 14270581, 19759266, 28541162, 42811743, 85623486, 128435229, 256870458]

約数ペア:

[(1, 256870458), (2, 128435229), (3, 85623486), (6, 42811743), (9, 28541162), (13, 19759266), (18, 14270581), (26, 9879633), (29, 8857602), (39, 6586422), (58, 4428801), (78, 3293211), (87, 2952534), (117, 2195474), (174, 1476267), (234, 1097737), (261, 984178), (377, 681354), (522, 492089), (754, 340677), (1131, 227118), (2262, 113559), (3393, 75706), (6786, 37853)]