64749815

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1$

素因数の和:196

約数の個数: 48

約数和(自身を含む): 91792800

約数和(自身を除く): 27042985

約数列:

[1, 5, 13, 19, 37, 65, 95, 109, 169, 185, 247, 481, 545, 703, 845, 1235, 1417, 2071, 2405, 3211, 3515, 4033, 6253, 7085, 9139, 10355, 16055, 18421, 20165, 26923, 31265, 45695, 52429, 76627, 92105, 118807, 134615, 262145, 349999, 383135, 594035, 681577, 996151, 1749995, 3407885, 4980755, 12949963, 64749815]

約数ペア:

[(1, 64749815), (5, 12949963), (13, 4980755), (19, 3407885), (37, 1749995), (65, 996151), (95, 681577), (109, 594035), (169, 383135), (185, 349999), (247, 262145), (481, 134615), (545, 118807), (703, 92105), (845, 76627), (1235, 52429), (1417, 45695), (2071, 31265), (2405, 26923), (3211, 20165), (3515, 18421), (4033, 16055), (6253, 10355), (7085, 9139)]