242135408

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{353}}^1\times {\mathrm{997}}^1$

素因数の和:1401

約数の個数: 40

約数和(自身を含む): 481890288

約数和(自身を除く): 239754880

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 353, 688, 706, 997, 1412, 1994, 2824, 3988, 5648, 7976, 15179, 15952, 30358, 42871, 60716, 85742, 121432, 171484, 242864, 342968, 351941, 685936, 703882, 1407764, 2815528, 5631056, 15133463, 30266926, 60533852, 121067704, 242135408]

約数ペア:

[(1, 242135408), (2, 121067704), (4, 60533852), (8, 30266926), (16, 15133463), (43, 5631056), (86, 2815528), (172, 1407764), (344, 703882), (353, 685936), (688, 351941), (706, 342968), (997, 242864), (1412, 171484), (1994, 121432), (2824, 85742), (3988, 60716), (5648, 42871), (7976, 30358), (15179, 15952)]