78438441

素因数分解:

$3^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1$

素因数の和:178

約数の個数: 48

約数和(自身を含む): 119384064

約数和(自身を除く): 40945623

約数列:

[1, 3, 19, 23, 47, 57, 67, 69, 141, 201, 361, 437, 893, 1081, 1083, 1273, 1311, 1541, 2679, 3149, 3243, 3819, 4623, 8303, 9447, 16967, 20539, 24187, 24909, 29279, 50901, 59831, 61617, 72427, 72561, 87837, 179493, 217281, 390241, 556301, 1136789, 1170723, 1376113, 1668903, 3410367, 4128339, 26146147, 78438441]

約数ペア:

[(1, 78438441), (3, 26146147), (19, 4128339), (23, 3410367), (47, 1668903), (57, 1376113), (67, 1170723), (69, 1136789), (141, 556301), (201, 390241), (361, 217281), (437, 179493), (893, 87837), (1081, 72561), (1083, 72427), (1273, 61617), (1311, 59831), (1541, 50901), (2679, 29279), (3149, 24909), (3243, 24187), (3819, 20539), (4623, 16967), (8303, 9447)]