28991348

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{907}}^1$

素因数の和:1103

約数の個数: 24

約数和(自身を含む): 52017504

約数和(自身を除く): 23026156

約数列:

[1, 2, 4, 61, 122, 131, 244, 262, 524, 907, 1814, 3628, 7991, 15982, 31964, 55327, 110654, 118817, 221308, 237634, 475268, 7247837, 14495674, 28991348]

約数ペア:

[(1, 28991348), (2, 14495674), (4, 7247837), (61, 475268), (122, 237634), (131, 221308), (244, 118817), (262, 110654), (524, 55327), (907, 31964), (1814, 15982), (3628, 7991)]