661569424

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{541}}^1\times {\mathrm{3323}}^1$

素因数の和:3895

約数の個数: 40

約数和(自身を含む): 1340396352

約数和(自身を除く): 678826928

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 541, 1082, 2164, 3323, 4328, 6646, 8656, 12443, 13292, 24886, 26584, 49772, 53168, 76429, 99544, 152858, 199088, 305716, 611432, 1222864, 1797743, 3595486, 7190972, 14381944, 28763888, 41348089, 82696178, 165392356, 330784712, 661569424]

約数ペア:

[(1, 661569424), (2, 330784712), (4, 165392356), (8, 82696178), (16, 41348089), (23, 28763888), (46, 14381944), (92, 7190972), (184, 3595486), (368, 1797743), (541, 1222864), (1082, 611432), (2164, 305716), (3323, 199088), (4328, 152858), (6646, 99544), (8656, 76429), (12443, 53168), (13292, 49772), (24886, 26584)]