520016655

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{353}}^1$

素因数の和:540

約数の個数: 64

約数和(自身を含む): 908392320

約数和(自身を除く): 388375665

約数列:

[1, 3, 5, 15, 17, 51, 53, 85, 109, 159, 255, 265, 327, 353, 545, 795, 901, 1059, 1635, 1765, 1853, 2703, 4505, 5295, 5559, 5777, 6001, 9265, 13515, 17331, 18003, 18709, 27795, 28885, 30005, 38477, 56127, 86655, 90015, 93545, 98209, 115431, 192385, 280635, 294627, 318053, 491045, 577155, 654109, 954159, 1473135, 1590265, 1962327, 2039281, 3270545, 4770795, 6117843, 9811635, 10196405, 30589215, 34667777, 104003331, 173338885, 520016655]

約数ペア:

[(1, 520016655), (3, 173338885), (5, 104003331), (15, 34667777), (17, 30589215), (51, 10196405), (53, 9811635), (85, 6117843), (109, 4770795), (159, 3270545), (255, 2039281), (265, 1962327), (327, 1590265), (353, 1473135), (545, 954159), (795, 654109), (901, 577155), (1059, 491045), (1635, 318053), (1765, 294627), (1853, 280635), (2703, 192385), (4505, 115431), (5295, 98209), (5559, 93545), (5777, 90015), (6001, 86655), (9265, 56127), (13515, 38477), (17331, 30005), (18003, 28885), (18709, 27795)]