131678412

素因数分解:

$2^2\times 3^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{1889}}^1$

素因数の和:2090

約数の個数: 48

約数和(自身を含む): 317731680

約数和(自身を除く): 186053268

約数列:

[1, 2, 3, 4, 6, 12, 37, 74, 111, 148, 157, 222, 314, 444, 471, 628, 942, 1884, 1889, 3778, 5667, 5809, 7556, 11334, 11618, 17427, 22668, 23236, 34854, 69708, 69893, 139786, 209679, 279572, 296573, 419358, 593146, 838716, 889719, 1186292, 1779438, 3558876, 10973201, 21946402, 32919603, 43892804, 65839206, 131678412]

約数ペア:

[(1, 131678412), (2, 65839206), (3, 43892804), (4, 32919603), (6, 21946402), (12, 10973201), (37, 3558876), (74, 1779438), (111, 1186292), (148, 889719), (157, 838716), (222, 593146), (314, 419358), (444, 296573), (471, 279572), (628, 209679), (942, 139786), (1884, 69893), (1889, 69708), (3778, 34854), (5667, 23236), (5809, 22668), (7556, 17427), (11334, 11618)]