289512306

素因数分解:

$2^1\times 3^4\times {\mathrm{73}}^1\times {\mathrm{24481}}^1$

素因数の和:24568

約数の個数: 40

約数和(自身を含む): 657635484

約数和(自身を除く): 368123178

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 73, 81, 146, 162, 219, 438, 657, 1314, 1971, 3942, 5913, 11826, 24481, 48962, 73443, 146886, 220329, 440658, 660987, 1321974, 1787113, 1982961, 3574226, 3965922, 5361339, 10722678, 16084017, 32168034, 48252051, 96504102, 144756153, 289512306]

約数ペア:

[(1, 289512306), (2, 144756153), (3, 96504102), (6, 48252051), (9, 32168034), (18, 16084017), (27, 10722678), (54, 5361339), (73, 3965922), (81, 3574226), (146, 1982961), (162, 1787113), (219, 1321974), (438, 660987), (657, 440658), (1314, 220329), (1971, 146886), (3942, 73443), (5913, 48962), (11826, 24481)]