257367084

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2801}}^1$

素因数の和:2871

約数の個数: 96

約数和(自身を含む): 702965760

約数和(自身を除く): 445598676

約数列:

[1, 2, 3, 4, 6, 12, 13, 19, 26, 31, 38, 39, 52, 57, 62, 76, 78, 93, 114, 124, 156, 186, 228, 247, 372, 403, 494, 589, 741, 806, 988, 1178, 1209, 1482, 1612, 1767, 2356, 2418, 2801, 2964, 3534, 4836, 5602, 7068, 7657, 8403, 11204, 15314, 16806, 22971, 30628, 33612, 36413, 45942, 53219, 72826, 86831, 91884, 106438, 109239, 145652, 159657, 173662, 212876, 218478, 260493, 319314, 347324, 436956, 520986, 638628, 691847, 1041972, 1128803, 1383694, 1649789, 2075541, 2257606, 2767388, 3299578, 3386409, 4151082, 4515212, 4949367, 6599156, 6772818, 8302164, 9898734, 13545636, 19797468, 21447257, 42894514, 64341771, 85789028, 128683542, 257367084]

約数ペア:

[(1, 257367084), (2, 128683542), (3, 85789028), (4, 64341771), (6, 42894514), (12, 21447257), (13, 19797468), (19, 13545636), (26, 9898734), (31, 8302164), (38, 6772818), (39, 6599156), (52, 4949367), (57, 4515212), (62, 4151082), (76, 3386409), (78, 3299578), (93, 2767388), (114, 2257606), (124, 2075541), (156, 1649789), (186, 1383694), (228, 1128803), (247, 1041972), (372, 691847), (403, 638628), (494, 520986), (589, 436956), (741, 347324), (806, 319314), (988, 260493), (1178, 218478), (1209, 212876), (1482, 173662), (1612, 159657), (1767, 145652), (2356, 109239), (2418, 106438), (2801, 91884), (2964, 86831), (3534, 72826), (4836, 53219), (5602, 45942), (7068, 36413), (7657, 33612), (8403, 30628), (11204, 22971), (15314, 16806)]