390653921296

素因数分解:

$2^4\times {\mathrm{173}}^1\times {\mathrm{141132197}}^1$

素因数の和:141132378

約数の個数: 20

約数和(自身を含む): 761267076012

約数和(自身を除く): 370613154716

約数列:

[1, 2, 4, 8, 16, 173, 346, 692, 1384, 2768, 141132197, 282264394, 564528788, 1129057576, 2258115152, 24415870081, 48831740162, 97663480324, 195326960648, 390653921296]

約数ペア:

[(1, 390653921296), (2, 195326960648), (4, 97663480324), (8, 48831740162), (16, 24415870081), (173, 2258115152), (346, 1129057576), (692, 564528788), (1384, 282264394), (2768, 141132197)]