388514258

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{7211}}^1$

素因数の和:7334

約数の個数: 32

約数和(自身を含む): 664657920

約数和(自身を除く): 276143662

約数列:

[1, 2, 11, 22, 31, 62, 79, 158, 341, 682, 869, 1738, 2449, 4898, 7211, 14422, 26939, 53878, 79321, 158642, 223541, 447082, 569669, 1139338, 2458951, 4917902, 6266359, 12532718, 17659739, 35319478, 194257129, 388514258]

約数ペア:

[(1, 388514258), (2, 194257129), (11, 35319478), (22, 17659739), (31, 12532718), (62, 6266359), (79, 4917902), (158, 2458951), (341, 1139338), (682, 569669), (869, 447082), (1738, 223541), (2449, 158642), (4898, 79321), (7211, 53878), (14422, 26939)]