257904688

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{227}}^1\times {\mathrm{4177}}^1$

素因数の和:4429

約数の個数: 40

約数和(自身を含む): 531541872

約数和(自身を除く): 273637184

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 227, 272, 454, 908, 1816, 3632, 3859, 4177, 7718, 8354, 15436, 16708, 30872, 33416, 61744, 66832, 71009, 142018, 284036, 568072, 948179, 1136144, 1896358, 3792716, 7585432, 15170864, 16119043, 32238086, 64476172, 128952344, 257904688]

約数ペア:

[(1, 257904688), (2, 128952344), (4, 64476172), (8, 32238086), (16, 16119043), (17, 15170864), (34, 7585432), (68, 3792716), (136, 1896358), (227, 1136144), (272, 948179), (454, 568072), (908, 284036), (1816, 142018), (3632, 71009), (3859, 66832), (4177, 61744), (7718, 33416), (8354, 30872), (15436, 16708)]