639865294

素因数分解:

$2^1\times {\mathrm{73}}^1\times {\mathrm{503}}^1\times {\mathrm{8713}}^1$

素因数の和:9291

約数の個数: 16

約数和(自身を含む): 974992032

約数和(自身を除く): 335126738

約数列:

[1, 2, 73, 146, 503, 1006, 8713, 17426, 36719, 73438, 636049, 1272098, 4382639, 8765278, 319932647, 639865294]

約数ペア:

[(1, 639865294), (2, 319932647), (73, 8765278), (146, 4382639), (503, 1272098), (1006, 636049), (8713, 73438), (17426, 36719)]