257046919

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^2\times {\mathrm{101}}^1\times {\mathrm{283}}^1$

素因数の和:447

約数の個数: 24

約数和(自身を含む): 288347472

約数和(自身を除く): 31300553

約数列:

[1, 17, 23, 101, 283, 391, 529, 1717, 2323, 4811, 6509, 8993, 28583, 39491, 53429, 110653, 149707, 485911, 657409, 908293, 2545019, 11175953, 15120407, 257046919]

約数ペア:

[(1, 257046919), (17, 15120407), (23, 11175953), (101, 2545019), (283, 908293), (391, 657409), (529, 485911), (1717, 149707), (2323, 110653), (4811, 53429), (6509, 39491), (8993, 28583)]