25456688

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{163}}^1\times {\mathrm{227}}^1$

素因数の和:441

約数の個数: 40

約数和(自身を含む): 51002688

約数和(自身を除く): 25546000

約数列:

[1, 2, 4, 8, 16, 43, 86, 163, 172, 227, 326, 344, 454, 652, 688, 908, 1304, 1816, 2608, 3632, 7009, 9761, 14018, 19522, 28036, 37001, 39044, 56072, 74002, 78088, 112144, 148004, 156176, 296008, 592016, 1591043, 3182086, 6364172, 12728344, 25456688]

約数ペア:

[(1, 25456688), (2, 12728344), (4, 6364172), (8, 3182086), (16, 1591043), (43, 592016), (86, 296008), (163, 156176), (172, 148004), (227, 112144), (326, 78088), (344, 74002), (454, 56072), (652, 39044), (688, 37001), (908, 28036), (1304, 19522), (1816, 14018), (2608, 9761), (3632, 7009)]