28248272

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{2027}}^1$

素因数の和:2115

約数の個数: 40

約数和(自身を含む): 59850336

約数和(自身を除く): 31602064

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 67, 104, 134, 208, 268, 536, 871, 1072, 1742, 2027, 3484, 4054, 6968, 8108, 13936, 16216, 26351, 32432, 52702, 105404, 135809, 210808, 271618, 421616, 543236, 1086472, 1765517, 2172944, 3531034, 7062068, 14124136, 28248272]

約数ペア:

[(1, 28248272), (2, 14124136), (4, 7062068), (8, 3531034), (13, 2172944), (16, 1765517), (26, 1086472), (52, 543236), (67, 421616), (104, 271618), (134, 210808), (208, 135809), (268, 105404), (536, 52702), (871, 32432), (1072, 26351), (1742, 16216), (2027, 13936), (3484, 8108), (4054, 6968)]