289637215

素因数分解:

$5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{179}}^1\times {\mathrm{557}}^1$

素因数の和:831

約数の個数: 32

約数和(自身を含む): 404974080

約数和(自身を除く): 115336865

約数列:

[1, 5, 7, 35, 83, 179, 415, 557, 581, 895, 1253, 2785, 2905, 3899, 6265, 14857, 19495, 46231, 74285, 99703, 103999, 231155, 323617, 498515, 519995, 697921, 1618085, 3489605, 8275349, 41376745, 57927443, 289637215]

約数ペア:

[(1, 289637215), (5, 57927443), (7, 41376745), (35, 8275349), (83, 3489605), (179, 1618085), (415, 697921), (557, 519995), (581, 498515), (895, 323617), (1253, 231155), (2785, 103999), (2905, 99703), (3899, 74285), (6265, 46231), (14857, 19495)]