28697968

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{491}}^1$

素因数の和:793

約数の個数: 40

約数和(自身を含む): 60214896

約数和(自身を除く): 31516928

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 281, 491, 562, 982, 1124, 1964, 2248, 3653, 3928, 4496, 6383, 7306, 7856, 12766, 14612, 25532, 29224, 51064, 58448, 102128, 137971, 275942, 551884, 1103768, 1793623, 2207536, 3587246, 7174492, 14348984, 28697968]

約数ペア:

[(1, 28697968), (2, 14348984), (4, 7174492), (8, 3587246), (13, 2207536), (16, 1793623), (26, 1103768), (52, 551884), (104, 275942), (208, 137971), (281, 102128), (491, 58448), (562, 51064), (982, 29224), (1124, 25532), (1964, 14612), (2248, 12766), (3653, 7856), (3928, 7306), (4496, 6383)]