51771656

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^2$

素因数の和:246

約数の個数: 48

約数和(自身を含む): 105745200

約数和(自身を除く): 53973544

約数列:

[1, 2, 4, 8, 19, 38, 43, 76, 86, 89, 152, 172, 178, 344, 356, 712, 817, 1634, 1691, 3268, 3382, 3827, 6536, 6764, 7654, 7921, 13528, 15308, 15842, 30616, 31684, 63368, 72713, 145426, 150499, 290852, 300998, 340603, 581704, 601996, 681206, 1203992, 1362412, 2724824, 6471457, 12942914, 25885828, 51771656]

約数ペア:

[(1, 51771656), (2, 25885828), (4, 12942914), (8, 6471457), (19, 2724824), (38, 1362412), (43, 1203992), (76, 681206), (86, 601996), (89, 581704), (152, 340603), (172, 300998), (178, 290852), (344, 150499), (356, 145426), (712, 72713), (817, 63368), (1634, 31684), (1691, 30616), (3268, 15842), (3382, 15308), (3827, 13528), (6536, 7921), (6764, 7654)]