254886254

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{109}}^1\times {\mathrm{149}}^1$

素因数の和:345

約数の個数: 64

約数和(自身を含む): 475200000

約数和(自身を除く): 220313746

約数列:

[1, 2, 7, 14, 19, 38, 59, 109, 118, 133, 149, 218, 266, 298, 413, 763, 826, 1043, 1121, 1526, 2071, 2086, 2242, 2831, 4142, 5662, 6431, 7847, 8791, 12862, 14497, 15694, 16241, 17582, 19817, 28994, 32482, 39634, 45017, 61537, 90034, 113687, 122189, 123074, 167029, 227374, 244378, 308579, 334058, 617158, 855323, 958219, 1169203, 1710646, 1916438, 2160053, 2338406, 4320106, 6707533, 13415066, 18206161, 36412322, 127443127, 254886254]

約数ペア:

[(1, 254886254), (2, 127443127), (7, 36412322), (14, 18206161), (19, 13415066), (38, 6707533), (59, 4320106), (109, 2338406), (118, 2160053), (133, 1916438), (149, 1710646), (218, 1169203), (266, 958219), (298, 855323), (413, 617158), (763, 334058), (826, 308579), (1043, 244378), (1121, 227374), (1526, 167029), (2071, 123074), (2086, 122189), (2242, 113687), (2831, 90034), (4142, 61537), (5662, 45017), (6431, 39634), (7847, 32482), (8791, 28994), (12862, 19817), (14497, 17582), (15694, 16241)]