31849038

素因数分解:

$2^1\times 3^5\times {\mathrm{13}}^1\times {\mathrm{71}}^2$

素因数の和:172

約数の個数: 72

約数和(自身を含む): 78167544

約数和(自身を除く): 46318506

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 71, 78, 81, 117, 142, 162, 213, 234, 243, 351, 426, 486, 639, 702, 923, 1053, 1278, 1846, 1917, 2106, 2769, 3159, 3834, 5041, 5538, 5751, 6318, 8307, 10082, 11502, 15123, 16614, 17253, 24921, 30246, 34506, 45369, 49842, 65533, 74763, 90738, 131066, 136107, 149526, 196599, 224289, 272214, 393198, 408321, 448578, 589797, 816642, 1179594, 1224963, 1769391, 2449926, 3538782, 5308173, 10616346, 15924519, 31849038]

約数ペア:

[(1, 31849038), (2, 15924519), (3, 10616346), (6, 5308173), (9, 3538782), (13, 2449926), (18, 1769391), (26, 1224963), (27, 1179594), (39, 816642), (54, 589797), (71, 448578), (78, 408321), (81, 393198), (117, 272214), (142, 224289), (162, 196599), (213, 149526), (234, 136107), (243, 131066), (351, 90738), (426, 74763), (486, 65533), (639, 49842), (702, 45369), (923, 34506), (1053, 30246), (1278, 24921), (1846, 17253), (1917, 16614), (2106, 15123), (2769, 11502), (3159, 10082), (3834, 8307), (5041, 6318), (5538, 5751)]