1263536

素因数分解:

$2^4\times {\mathrm{157}}^1\times {\mathrm{503}}^1$

素因数の和:668

約数の個数: 20

約数和(自身を含む): 2468592

約数和(自身を除く): 1205056

約数列:

[1, 2, 4, 8, 16, 157, 314, 503, 628, 1006, 1256, 2012, 2512, 4024, 8048, 78971, 157942, 315884, 631768, 1263536]

約数ペア:

[(1, 1263536), (2, 631768), (4, 315884), (8, 157942), (16, 78971), (157, 8048), (314, 4024), (503, 2512), (628, 2012), (1006, 1256)]