228273968

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{20707}}^1$

素因数の和:20781

約数の個数: 40

約数和(自身を含む): 485312688

約数和(自身を除く): 257038720

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 53, 104, 106, 208, 212, 424, 689, 848, 1378, 2756, 5512, 11024, 20707, 41414, 82828, 165656, 269191, 331312, 538382, 1076764, 1097471, 2153528, 2194942, 4307056, 4389884, 8779768, 14267123, 17559536, 28534246, 57068492, 114136984, 228273968]

約数ペア:

[(1, 228273968), (2, 114136984), (4, 57068492), (8, 28534246), (13, 17559536), (16, 14267123), (26, 8779768), (52, 4389884), (53, 4307056), (104, 2194942), (106, 2153528), (208, 1097471), (212, 1076764), (424, 538382), (689, 331312), (848, 269191), (1378, 165656), (2756, 82828), (5512, 41414), (11024, 20707)]