81651752

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{1901}}^1$

素因数の和:1986

約数の個数: 64

約数和(自身を含む): 191721600

約数和(自身を除く): 110069848

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 59, 91, 104, 118, 182, 236, 364, 413, 472, 728, 767, 826, 1534, 1652, 1901, 3068, 3304, 3802, 5369, 6136, 7604, 10738, 13307, 15208, 21476, 24713, 26614, 42952, 49426, 53228, 98852, 106456, 112159, 172991, 197704, 224318, 345982, 448636, 691964, 785113, 897272, 1383928, 1458067, 1570226, 2916134, 3140452, 5832268, 6280904, 10206469, 11664536, 20412938, 40825876, 81651752]

約数ペア:

[(1, 81651752), (2, 40825876), (4, 20412938), (7, 11664536), (8, 10206469), (13, 6280904), (14, 5832268), (26, 3140452), (28, 2916134), (52, 1570226), (56, 1458067), (59, 1383928), (91, 897272), (104, 785113), (118, 691964), (182, 448636), (236, 345982), (364, 224318), (413, 197704), (472, 172991), (728, 112159), (767, 106456), (826, 98852), (1534, 53228), (1652, 49426), (1901, 42952), (3068, 26614), (3304, 24713), (3802, 21476), (5369, 15208), (6136, 13307), (7604, 10738)]