255209968

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{18313}}^1$

素因数の和:18401

約数の個数: 40

約数和(自身を含む): 540482768

約数和(自身を除く): 285272800

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 67, 104, 134, 208, 268, 536, 871, 1072, 1742, 3484, 6968, 13936, 18313, 36626, 73252, 146504, 238069, 293008, 476138, 952276, 1226971, 1904552, 2453942, 3809104, 4907884, 9815768, 15950623, 19631536, 31901246, 63802492, 127604984, 255209968]

約数ペア:

[(1, 255209968), (2, 127604984), (4, 63802492), (8, 31901246), (13, 19631536), (16, 15950623), (26, 9815768), (52, 4907884), (67, 3809104), (104, 2453942), (134, 1904552), (208, 1226971), (268, 952276), (536, 476138), (871, 293008), (1072, 238069), (1742, 146504), (3484, 73252), (6968, 36626), (13936, 18313)]