311243716

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1\times {\mathrm{1223}}^1$

素因数の和:1444

約数の個数: 48

約数和(自身を含む): 637459200

約数和(自身を除く): 326215484

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 149, 244, 298, 427, 596, 854, 1043, 1223, 1708, 2086, 2446, 4172, 4892, 8561, 9089, 17122, 18178, 34244, 36356, 63623, 74603, 127246, 149206, 182227, 254492, 298412, 364454, 522221, 728908, 1044442, 1275589, 2088884, 2551178, 5102356, 11115847, 22231694, 44463388, 77810929, 155621858, 311243716]

約数ペア:

[(1, 311243716), (2, 155621858), (4, 77810929), (7, 44463388), (14, 22231694), (28, 11115847), (61, 5102356), (122, 2551178), (149, 2088884), (244, 1275589), (298, 1044442), (427, 728908), (596, 522221), (854, 364454), (1043, 298412), (1223, 254492), (1708, 182227), (2086, 149206), (2446, 127246), (4172, 74603), (4892, 63623), (8561, 36356), (9089, 34244), (17122, 18178)]