399279952

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{27697}}^1$

素因数の和:27775

約数の個数: 40

約数和(自身を含む): 834596136

約数和(自身を除く): 435316184

約数列:

[1, 2, 4, 8, 16, 17, 34, 53, 68, 106, 136, 212, 272, 424, 848, 901, 1802, 3604, 7208, 14416, 27697, 55394, 110788, 221576, 443152, 470849, 941698, 1467941, 1883396, 2935882, 3766792, 5871764, 7533584, 11743528, 23487056, 24954997, 49909994, 99819988, 199639976, 399279952]

約数ペア:

[(1, 399279952), (2, 199639976), (4, 99819988), (8, 49909994), (16, 24954997), (17, 23487056), (34, 11743528), (53, 7533584), (68, 5871764), (106, 3766792), (136, 2935882), (212, 1883396), (272, 1467941), (424, 941698), (848, 470849), (901, 443152), (1802, 221576), (3604, 110788), (7208, 55394), (14416, 27697)]