217799998

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1\times {\mathrm{991}}^1$

素因数の和:1192

約数の個数: 32

約数和(自身を含む): 359976960

約数和(自身を除く): 142176962

約数列:

[1, 2, 13, 26, 79, 107, 158, 214, 991, 1027, 1391, 1982, 2054, 2782, 8453, 12883, 16906, 25766, 78289, 106037, 109889, 156578, 212074, 219778, 1017757, 1378481, 2035514, 2756962, 8376923, 16753846, 108899999, 217799998]

約数ペア:

[(1, 217799998), (2, 108899999), (13, 16753846), (26, 8376923), (79, 2756962), (107, 2035514), (158, 1378481), (214, 1017757), (991, 219778), (1027, 212074), (1391, 156578), (1982, 109889), (2054, 106037), (2782, 78289), (8453, 25766), (12883, 16906)]