31756218

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{139}}^1$

素因数の和:287

約数の個数: 64

約数和(自身を含む): 71971200

約数和(自身を除く): 40214982

約数列:

[1, 2, 3, 6, 13, 26, 29, 39, 58, 78, 87, 101, 139, 174, 202, 278, 303, 377, 417, 606, 754, 834, 1131, 1313, 1807, 2262, 2626, 2929, 3614, 3939, 4031, 5421, 5858, 7878, 8062, 8787, 10842, 12093, 14039, 17574, 24186, 28078, 38077, 42117, 52403, 76154, 84234, 104806, 114231, 157209, 182507, 228462, 314418, 365014, 407131, 547521, 814262, 1095042, 1221393, 2442786, 5292703, 10585406, 15878109, 31756218]

約数ペア:

[(1, 31756218), (2, 15878109), (3, 10585406), (6, 5292703), (13, 2442786), (26, 1221393), (29, 1095042), (39, 814262), (58, 547521), (78, 407131), (87, 365014), (101, 314418), (139, 228462), (174, 182507), (202, 157209), (278, 114231), (303, 104806), (377, 84234), (417, 76154), (606, 52403), (754, 42117), (834, 38077), (1131, 28078), (1313, 24186), (1807, 17574), (2262, 14039), (2626, 12093), (2929, 10842), (3614, 8787), (3939, 8062), (4031, 7878), (5421, 5858)]