64490223

素因数分解:

$3^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{167}}^1$

素因数の和:292

約数の個数: 48

約数和(自身を含む): 104799744

約数和(自身を除く): 40309521

約数列:

[1, 3, 7, 21, 37, 49, 71, 111, 147, 167, 213, 259, 497, 501, 777, 1169, 1491, 1813, 2627, 3479, 3507, 5439, 6179, 7881, 8183, 10437, 11857, 18389, 18537, 24549, 35571, 43253, 55167, 82999, 128723, 129759, 248997, 302771, 386169, 438709, 580993, 908313, 1316127, 1742979, 3070963, 9212889, 21496741, 64490223]

約数ペア:

[(1, 64490223), (3, 21496741), (7, 9212889), (21, 3070963), (37, 1742979), (49, 1316127), (71, 908313), (111, 580993), (147, 438709), (167, 386169), (213, 302771), (259, 248997), (497, 129759), (501, 128723), (777, 82999), (1169, 55167), (1491, 43253), (1813, 35571), (2627, 24549), (3479, 18537), (3507, 18389), (5439, 11857), (6179, 10437), (7881, 8183)]