81444013

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{97}}^1\times {\mathrm{107}}^1$

素因数の和:289

約数の個数: 32

約数和(自身を含む): 101606400

約数和(自身を除く): 20162387

約数列:

[1, 7, 19, 59, 97, 107, 133, 413, 679, 749, 1121, 1843, 2033, 5723, 6313, 7847, 10379, 12901, 14231, 40061, 44191, 72653, 108737, 119947, 197201, 612361, 761159, 839629, 1380407, 4286527, 11634859, 81444013]

約数ペア:

[(1, 81444013), (7, 11634859), (19, 4286527), (59, 1380407), (97, 839629), (107, 761159), (133, 612361), (413, 197201), (679, 119947), (749, 108737), (1121, 72653), (1843, 44191), (2033, 40061), (5723, 14231), (6313, 12901), (7847, 10379)]