261285112

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^2$

素因数の和:209

約数の個数: 96

約数和(自身を含む): 589017600

約数和(自身を除く): 327732488

約数列:

[1, 2, 4, 8, 11, 19, 22, 31, 38, 44, 62, 71, 76, 88, 124, 142, 152, 209, 248, 284, 341, 418, 568, 589, 682, 781, 836, 1178, 1349, 1364, 1562, 1672, 2201, 2356, 2698, 2728, 3124, 4402, 4712, 5041, 5396, 6248, 6479, 8804, 10082, 10792, 12958, 14839, 17608, 20164, 24211, 25916, 29678, 40328, 41819, 48422, 51832, 55451, 59356, 83638, 95779, 96844, 110902, 118712, 156271, 167276, 191558, 193688, 221804, 312542, 334552, 383116, 443608, 460009, 625084, 766232, 920018, 1053569, 1250168, 1718981, 1840036, 2107138, 2969149, 3437962, 3680072, 4214276, 5938298, 6875924, 8428552, 11876596, 13751848, 23753192, 32660639, 65321278, 130642556, 261285112]

約数ペア:

[(1, 261285112), (2, 130642556), (4, 65321278), (8, 32660639), (11, 23753192), (19, 13751848), (22, 11876596), (31, 8428552), (38, 6875924), (44, 5938298), (62, 4214276), (71, 3680072), (76, 3437962), (88, 2969149), (124, 2107138), (142, 1840036), (152, 1718981), (209, 1250168), (248, 1053569), (284, 920018), (341, 766232), (418, 625084), (568, 460009), (589, 443608), (682, 383116), (781, 334552), (836, 312542), (1178, 221804), (1349, 193688), (1364, 191558), (1562, 167276), (1672, 156271), (2201, 118712), (2356, 110902), (2698, 96844), (2728, 95779), (3124, 83638), (4402, 59356), (4712, 55451), (5041, 51832), (5396, 48422), (6248, 41819), (6479, 40328), (8804, 29678), (10082, 25916), (10792, 24211), (12958, 20164), (14839, 17608)]