245381864

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{131}}^1$

素因数の和:271

約数の個数: 128

約数和(自身を含む): 596090880

約数和(自身を除く): 350709016

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 31, 52, 56, 62, 83, 91, 104, 124, 131, 166, 182, 217, 248, 262, 332, 364, 403, 434, 524, 581, 664, 728, 806, 868, 917, 1048, 1079, 1162, 1612, 1703, 1736, 1834, 2158, 2324, 2573, 2821, 3224, 3406, 3668, 4061, 4316, 4648, 5146, 5642, 6812, 7336, 7553, 8122, 8632, 10292, 10873, 11284, 11921, 13624, 15106, 16244, 18011, 20584, 21746, 22568, 23842, 28427, 30212, 32488, 33449, 36022, 43492, 47684, 52793, 56854, 60424, 66898, 72044, 76111, 86984, 95368, 105586, 113708, 133796, 141349, 144088, 152222, 211172, 227416, 234143, 267592, 282698, 304444, 337063, 369551, 422344, 468286, 565396, 608888, 674126, 739102, 936572, 989443, 1130792, 1348252, 1478204, 1873144, 1978886, 2359441, 2696504, 2956408, 3957772, 4381819, 4718882, 7915544, 8763638, 9437764, 17527276, 18875528, 30672733, 35054552, 61345466, 122690932, 245381864]

約数ペア:

[(1, 245381864), (2, 122690932), (4, 61345466), (7, 35054552), (8, 30672733), (13, 18875528), (14, 17527276), (26, 9437764), (28, 8763638), (31, 7915544), (52, 4718882), (56, 4381819), (62, 3957772), (83, 2956408), (91, 2696504), (104, 2359441), (124, 1978886), (131, 1873144), (166, 1478204), (182, 1348252), (217, 1130792), (248, 989443), (262, 936572), (332, 739102), (364, 674126), (403, 608888), (434, 565396), (524, 468286), (581, 422344), (664, 369551), (728, 337063), (806, 304444), (868, 282698), (917, 267592), (1048, 234143), (1079, 227416), (1162, 211172), (1612, 152222), (1703, 144088), (1736, 141349), (1834, 133796), (2158, 113708), (2324, 105586), (2573, 95368), (2821, 86984), (3224, 76111), (3406, 72044), (3668, 66898), (4061, 60424), (4316, 56854), (4648, 52793), (5146, 47684), (5642, 43492), (6812, 36022), (7336, 33449), (7553, 32488), (8122, 30212), (8632, 28427), (10292, 23842), (10873, 22568), (11284, 21746), (11921, 20584), (13624, 18011), (15106, 16244)]