261036287876

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{307}}^1\times {\mathrm{22679}}^1$

素因数の和:23113

約数の個数: 96

約数和(自身を含む): 569564835840

約数和(自身を除く): 308528547964

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 103, 182, 206, 307, 364, 412, 614, 721, 1228, 1339, 1442, 2149, 2678, 2884, 3991, 4298, 5356, 7982, 8596, 9373, 15964, 18746, 22679, 27937, 31621, 37492, 45358, 55874, 63242, 90716, 111748, 126484, 158753, 221347, 294827, 317506, 411073, 442694, 589654, 635012, 822146, 885388, 1179308, 1644292, 2063789, 2335937, 2877511, 4127578, 4671874, 5755022, 6962453, 8255156, 9343748, 11510044, 13924906, 16351559, 27849812, 30367181, 32703118, 48737171, 60734362, 65406236, 90511889, 97474342, 121468724, 181023778, 194948684, 212570267, 362047556, 425140534, 633583223, 717132659, 850281068, 1267166446, 1434265318, 2534332892, 2868530636, 5019928613, 9322724567, 10039857226, 18645449134, 20079714452, 37290898268, 65259071969, 130518143938, 261036287876]

約数ペア:

[(1, 261036287876), (2, 130518143938), (4, 65259071969), (7, 37290898268), (13, 20079714452), (14, 18645449134), (26, 10039857226), (28, 9322724567), (52, 5019928613), (91, 2868530636), (103, 2534332892), (182, 1434265318), (206, 1267166446), (307, 850281068), (364, 717132659), (412, 633583223), (614, 425140534), (721, 362047556), (1228, 212570267), (1339, 194948684), (1442, 181023778), (2149, 121468724), (2678, 97474342), (2884, 90511889), (3991, 65406236), (4298, 60734362), (5356, 48737171), (7982, 32703118), (8596, 30367181), (9373, 27849812), (15964, 16351559), (18746, 13924906), (22679, 11510044), (27937, 9343748), (31621, 8255156), (37492, 6962453), (45358, 5755022), (55874, 4671874), (63242, 4127578), (90716, 2877511), (111748, 2335937), (126484, 2063789), (158753, 1644292), (221347, 1179308), (294827, 885388), (317506, 822146), (411073, 635012), (442694, 589654)]