128522888

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{15643}}^1$

素因数の和:15741

約数の個数: 32

約数和(自身を含む): 262819200

約数和(自身を除く): 134296312

約数列:

[1, 2, 4, 8, 13, 26, 52, 79, 104, 158, 316, 632, 1027, 2054, 4108, 8216, 15643, 31286, 62572, 125144, 203359, 406718, 813436, 1235797, 1626872, 2471594, 4943188, 9886376, 16065361, 32130722, 64261444, 128522888]

約数ペア:

[(1, 128522888), (2, 64261444), (4, 32130722), (8, 16065361), (13, 9886376), (26, 4943188), (52, 2471594), (79, 1626872), (104, 1235797), (158, 813436), (316, 406718), (632, 203359), (1027, 125144), (2054, 62572), (4108, 31286), (8216, 15643)]