189689968

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{17207}}^1$

素因数の和:17281

約数の個数: 40

約数和(自身を含む): 403286688

約数和(自身を除く): 213596720

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 53, 104, 106, 208, 212, 424, 689, 848, 1378, 2756, 5512, 11024, 17207, 34414, 68828, 137656, 223691, 275312, 447382, 894764, 911971, 1789528, 1823942, 3579056, 3647884, 7295768, 11855623, 14591536, 23711246, 47422492, 94844984, 189689968]

約数ペア:

[(1, 189689968), (2, 94844984), (4, 47422492), (8, 23711246), (13, 14591536), (16, 11855623), (26, 7295768), (52, 3647884), (53, 3579056), (104, 1823942), (106, 1789528), (208, 911971), (212, 894764), (424, 447382), (689, 275312), (848, 223691), (1378, 137656), (2756, 68828), (5512, 34414), (11024, 17207)]