31603624

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{191}}^1$

素因数の和:290

約数の個数: 64

約数和(自身を含む): 67415040

約数和(自身を除く): 35811416

約数列:

[1, 2, 4, 8, 13, 26, 37, 43, 52, 74, 86, 104, 148, 172, 191, 296, 344, 382, 481, 559, 764, 962, 1118, 1528, 1591, 1924, 2236, 2483, 3182, 3848, 4472, 4966, 6364, 7067, 8213, 9932, 12728, 14134, 16426, 19864, 20683, 28268, 32852, 41366, 56536, 65704, 82732, 91871, 106769, 165464, 183742, 213538, 303881, 367484, 427076, 607762, 734968, 854152, 1215524, 2431048, 3950453, 7900906, 15801812, 31603624]

約数ペア:

[(1, 31603624), (2, 15801812), (4, 7900906), (8, 3950453), (13, 2431048), (26, 1215524), (37, 854152), (43, 734968), (52, 607762), (74, 427076), (86, 367484), (104, 303881), (148, 213538), (172, 183742), (191, 165464), (296, 106769), (344, 91871), (382, 82732), (481, 65704), (559, 56536), (764, 41366), (962, 32852), (1118, 28268), (1528, 20683), (1591, 19864), (1924, 16426), (2236, 14134), (2483, 12728), (3182, 9932), (3848, 8213), (4472, 7067), (4966, 6364)]