1561751704

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{421}}^1\times {\mathrm{20161}}^1$

素因数の和:20611

約数の個数: 32

約数和(自身を含む): 3063011040

約数和(自身を除く): 1501259336

約数列:

[1, 2, 4, 8, 23, 46, 92, 184, 421, 842, 1684, 3368, 9683, 19366, 20161, 38732, 40322, 77464, 80644, 161288, 463703, 927406, 1854812, 3709624, 8487781, 16975562, 33951124, 67902248, 195218963, 390437926, 780875852, 1561751704]

約数ペア:

[(1, 1561751704), (2, 780875852), (4, 390437926), (8, 195218963), (23, 67902248), (46, 33951124), (92, 16975562), (184, 8487781), (421, 3709624), (842, 1854812), (1684, 927406), (3368, 463703), (9683, 161288), (19366, 80644), (20161, 77464), (38732, 40322)]