2749881784

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{383}}^1$

素因数の和:581

約数の個数: 128

約数和(自身を含む): 6131220480

約数和(自身を除く): 3381338696

約数列:

[1, 2, 4, 8, 13, 17, 26, 31, 34, 52, 62, 68, 104, 124, 131, 136, 221, 248, 262, 383, 403, 442, 524, 527, 766, 806, 884, 1048, 1054, 1532, 1612, 1703, 1768, 2108, 2227, 3064, 3224, 3406, 4061, 4216, 4454, 4979, 6511, 6812, 6851, 8122, 8908, 9958, 11873, 13022, 13624, 13702, 16244, 17816, 19916, 23746, 26044, 27404, 28951, 32488, 39832, 47492, 50173, 52088, 52793, 54808, 57902, 69037, 84643, 94984, 100346, 105586, 115804, 138074, 154349, 169286, 200692, 201841, 211172, 231608, 276148, 308698, 338572, 401384, 403682, 422344, 552296, 617396, 652249, 677144, 807364, 852941, 897481, 1234792, 1304498, 1555363, 1614728, 1705882, 1794962, 2608996, 2623933, 3110726, 3411764, 3589924, 5217992, 5247866, 6221452, 6823528, 7179848, 10495732, 11088233, 12442904, 20219719, 20991464, 22176466, 26441171, 40439438, 44352932, 52882342, 80878876, 88705864, 105764684, 161757752, 211529368, 343735223, 687470446, 1374940892, 2749881784]

約数ペア:

[(1, 2749881784), (2, 1374940892), (4, 687470446), (8, 343735223), (13, 211529368), (17, 161757752), (26, 105764684), (31, 88705864), (34, 80878876), (52, 52882342), (62, 44352932), (68, 40439438), (104, 26441171), (124, 22176466), (131, 20991464), (136, 20219719), (221, 12442904), (248, 11088233), (262, 10495732), (383, 7179848), (403, 6823528), (442, 6221452), (524, 5247866), (527, 5217992), (766, 3589924), (806, 3411764), (884, 3110726), (1048, 2623933), (1054, 2608996), (1532, 1794962), (1612, 1705882), (1703, 1614728), (1768, 1555363), (2108, 1304498), (2227, 1234792), (3064, 897481), (3224, 852941), (3406, 807364), (4061, 677144), (4216, 652249), (4454, 617396), (4979, 552296), (6511, 422344), (6812, 403682), (6851, 401384), (8122, 338572), (8908, 308698), (9958, 276148), (11873, 231608), (13022, 211172), (13624, 201841), (13702, 200692), (16244, 169286), (17816, 154349), (19916, 138074), (23746, 115804), (26044, 105586), (27404, 100346), (28951, 94984), (32488, 84643), (39832, 69037), (47492, 57902), (50173, 54808), (52088, 52793)]