398823887

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{607}}^1$

素因数の和:708

約数の個数: 48

約数和(自身を含む): 538970112

約数和(自身を除く): 140146225

約数列:

[1, 7, 11, 23, 49, 53, 77, 161, 253, 371, 539, 583, 607, 1127, 1219, 1771, 2597, 4081, 4249, 6677, 8533, 12397, 13409, 13961, 28567, 29743, 32171, 46739, 59731, 93863, 97727, 153571, 225197, 327173, 353881, 657041, 684089, 739933, 1074997, 1576379, 2477167, 5179531, 7524979, 8139263, 17340169, 36256717, 56974841, 398823887]

約数ペア:

[(1, 398823887), (7, 56974841), (11, 36256717), (23, 17340169), (49, 8139263), (53, 7524979), (77, 5179531), (161, 2477167), (253, 1576379), (371, 1074997), (539, 739933), (583, 684089), (607, 657041), (1127, 353881), (1219, 327173), (1771, 225197), (2597, 153571), (4081, 97727), (4249, 93863), (6677, 59731), (8533, 46739), (12397, 32171), (13409, 29743), (13961, 28567)]