31391022

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{149}}^1$

素因数の和:277

約数の個数: 64

約数和(自身を含む): 70862400

約数和(自身を除く): 39471378

約数列:

[1, 2, 3, 6, 13, 26, 37, 39, 73, 74, 78, 111, 146, 149, 219, 222, 298, 438, 447, 481, 894, 949, 962, 1443, 1898, 1937, 2701, 2847, 2886, 3874, 5402, 5513, 5694, 5811, 8103, 10877, 11026, 11622, 16206, 16539, 21754, 32631, 33078, 35113, 65262, 70226, 71669, 105339, 141401, 143338, 210678, 215007, 282802, 402449, 424203, 430014, 804898, 848406, 1207347, 2414694, 5231837, 10463674, 15695511, 31391022]

約数ペア:

[(1, 31391022), (2, 15695511), (3, 10463674), (6, 5231837), (13, 2414694), (26, 1207347), (37, 848406), (39, 804898), (73, 430014), (74, 424203), (78, 402449), (111, 282802), (146, 215007), (149, 210678), (219, 143338), (222, 141401), (298, 105339), (438, 71669), (447, 70226), (481, 65262), (894, 35113), (949, 33078), (962, 32631), (1443, 21754), (1898, 16539), (1937, 16206), (2701, 11622), (2847, 11026), (2886, 10877), (3874, 8103), (5402, 5811), (5513, 5694)]