74742455

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{353}}^1$

素因数の和:475

約数の個数: 32

約数和(自身を含む): 99097344

約数和(自身を除く): 24354889

約数列:

[1, 5, 17, 47, 53, 85, 235, 265, 353, 799, 901, 1765, 2491, 3995, 4505, 6001, 12455, 16591, 18709, 30005, 42347, 82955, 93545, 211735, 282047, 318053, 879323, 1410235, 1590265, 4396615, 14948491, 74742455]

約数ペア:

[(1, 74742455), (5, 14948491), (17, 4396615), (47, 1590265), (53, 1410235), (85, 879323), (235, 318053), (265, 282047), (353, 211735), (799, 93545), (901, 82955), (1765, 42347), (2491, 30005), (3995, 18709), (4505, 16591), (6001, 12455)]