31235802

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1$

素因数の和:267

約数の個数: 64

約数和(自身を含む): 70371840

約数和(自身を除く): 39136038

約数列:

[1, 2, 3, 6, 13, 26, 39, 43, 67, 78, 86, 129, 134, 139, 201, 258, 278, 402, 417, 559, 834, 871, 1118, 1677, 1742, 1807, 2613, 2881, 3354, 3614, 5226, 5421, 5762, 5977, 8643, 9313, 10842, 11954, 17286, 17931, 18626, 27939, 35862, 37453, 55878, 74906, 77701, 112359, 121069, 155402, 224718, 233103, 242138, 363207, 400459, 466206, 726414, 800918, 1201377, 2402754, 5205967, 10411934, 15617901, 31235802]

約数ペア:

[(1, 31235802), (2, 15617901), (3, 10411934), (6, 5205967), (13, 2402754), (26, 1201377), (39, 800918), (43, 726414), (67, 466206), (78, 400459), (86, 363207), (129, 242138), (134, 233103), (139, 224718), (201, 155402), (258, 121069), (278, 112359), (402, 77701), (417, 74906), (559, 55878), (834, 37453), (871, 35862), (1118, 27939), (1677, 18626), (1742, 17931), (1807, 17286), (2613, 11954), (2881, 10842), (3354, 9313), (3614, 8643), (5226, 5977), (5421, 5762)]