127971328

素因数分解:

$2^{12}\times {\mathrm{157}}^1\times {\mathrm{199}}^1$

素因数の和:380

約数の個数: 52

約数和(自身を含む): 258835600

約数和(自身を除く): 130864272

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 157, 199, 256, 314, 398, 512, 628, 796, 1024, 1256, 1592, 2048, 2512, 3184, 4096, 5024, 6368, 10048, 12736, 20096, 25472, 31243, 40192, 50944, 62486, 80384, 101888, 124972, 160768, 203776, 249944, 321536, 407552, 499888, 643072, 815104, 999776, 1999552, 3999104, 7998208, 15996416, 31992832, 63985664, 127971328]

約数ペア:

[(1, 127971328), (2, 63985664), (4, 31992832), (8, 15996416), (16, 7998208), (32, 3999104), (64, 1999552), (128, 999776), (157, 815104), (199, 643072), (256, 499888), (314, 407552), (398, 321536), (512, 249944), (628, 203776), (796, 160768), (1024, 124972), (1256, 101888), (1592, 80384), (2048, 62486), (2512, 50944), (3184, 40192), (4096, 31243), (5024, 25472), (6368, 20096), (10048, 12736)]