31322538

素因数分解:

$2^1\times 3^4\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{139}}^1$

素因数の和:273

約数の個数: 80

約数和(自身を含む): 76839840

約数和(自身を除く): 45517302

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 81, 107, 117, 139, 162, 214, 234, 278, 321, 351, 417, 642, 702, 834, 963, 1053, 1251, 1391, 1807, 1926, 2106, 2502, 2782, 2889, 3614, 3753, 4173, 5421, 5778, 7506, 8346, 8667, 10842, 11259, 12519, 14873, 16263, 17334, 22518, 25038, 29746, 32526, 37557, 44619, 48789, 75114, 89238, 97578, 112671, 133857, 146367, 193349, 225342, 267714, 292734, 386698, 401571, 580047, 803142, 1160094, 1204713, 1740141, 2409426, 3480282, 5220423, 10440846, 15661269, 31322538]

約数ペア:

[(1, 31322538), (2, 15661269), (3, 10440846), (6, 5220423), (9, 3480282), (13, 2409426), (18, 1740141), (26, 1204713), (27, 1160094), (39, 803142), (54, 580047), (78, 401571), (81, 386698), (107, 292734), (117, 267714), (139, 225342), (162, 193349), (214, 146367), (234, 133857), (278, 112671), (321, 97578), (351, 89238), (417, 75114), (642, 48789), (702, 44619), (834, 37557), (963, 32526), (1053, 29746), (1251, 25038), (1391, 22518), (1807, 17334), (1926, 16263), (2106, 14873), (2502, 12519), (2782, 11259), (2889, 10842), (3614, 8667), (3753, 8346), (4173, 7506), (5421, 5778)]