256069168

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{431}}^1\times {\mathrm{523}}^1$

素因数の和:1033

約数の個数: 40

約数和(自身を含む): 505253376

約数和(自身を除く): 249184208

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 431, 523, 568, 862, 1046, 1136, 1724, 2092, 3448, 4184, 6896, 8368, 30601, 37133, 61202, 74266, 122404, 148532, 225413, 244808, 297064, 450826, 489616, 594128, 901652, 1803304, 3606608, 16004323, 32008646, 64017292, 128034584, 256069168]

約数ペア:

[(1, 256069168), (2, 128034584), (4, 64017292), (8, 32008646), (16, 16004323), (71, 3606608), (142, 1803304), (284, 901652), (431, 594128), (523, 489616), (568, 450826), (862, 297064), (1046, 244808), (1136, 225413), (1724, 148532), (2092, 122404), (3448, 74266), (4184, 61202), (6896, 37133), (8368, 30601)]