257945016

素因数分解:

$2^3\times 3^1\times 7^2\times {\mathrm{421}}^1\times {\mathrm{521}}^1$

素因数の和:965

約数の個数: 96

約数和(自身を含む): 753371280

約数和(自身を除く): 495426264

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 49, 56, 84, 98, 147, 168, 196, 294, 392, 421, 521, 588, 842, 1042, 1176, 1263, 1563, 1684, 2084, 2526, 2947, 3126, 3368, 3647, 4168, 5052, 5894, 6252, 7294, 8841, 10104, 10941, 11788, 12504, 14588, 17682, 20629, 21882, 23576, 25529, 29176, 35364, 41258, 43764, 51058, 61887, 70728, 76587, 82516, 87528, 102116, 123774, 153174, 165032, 204232, 219341, 247548, 306348, 438682, 495096, 612696, 658023, 877364, 1316046, 1535387, 1754728, 2632092, 3070774, 4606161, 5264184, 6141548, 9212322, 10747709, 12283096, 18424644, 21495418, 32243127, 36849288, 42990836, 64486254, 85981672, 128972508, 257945016]

約数ペア:

[(1, 257945016), (2, 128972508), (3, 85981672), (4, 64486254), (6, 42990836), (7, 36849288), (8, 32243127), (12, 21495418), (14, 18424644), (21, 12283096), (24, 10747709), (28, 9212322), (42, 6141548), (49, 5264184), (56, 4606161), (84, 3070774), (98, 2632092), (147, 1754728), (168, 1535387), (196, 1316046), (294, 877364), (392, 658023), (421, 612696), (521, 495096), (588, 438682), (842, 306348), (1042, 247548), (1176, 219341), (1263, 204232), (1563, 165032), (1684, 153174), (2084, 123774), (2526, 102116), (2947, 87528), (3126, 82516), (3368, 76587), (3647, 70728), (4168, 61887), (5052, 51058), (5894, 43764), (6252, 41258), (7294, 35364), (8841, 29176), (10104, 25529), (10941, 23576), (11788, 21882), (12504, 20629), (14588, 17682)]