221376272

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{12823}}^1$

素因数の和:12927

約数の個数: 40

約数和(自身を含む): 467511744

約数和(自身を除く): 246135472

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 83, 104, 166, 208, 332, 664, 1079, 1328, 2158, 4316, 8632, 12823, 17264, 25646, 51292, 102584, 166699, 205168, 333398, 666796, 1064309, 1333592, 2128618, 2667184, 4257236, 8514472, 13836017, 17028944, 27672034, 55344068, 110688136, 221376272]

約数ペア:

[(1, 221376272), (2, 110688136), (4, 55344068), (8, 27672034), (13, 17028944), (16, 13836017), (26, 8514472), (52, 4257236), (83, 2667184), (104, 2128618), (166, 1333592), (208, 1064309), (332, 666796), (664, 333398), (1079, 205168), (1328, 166699), (2158, 102584), (4316, 51292), (8632, 25646), (12823, 17264)]