128771964

素因数分解:

$2^2\times 3^3\times {\mathrm{89}}^1\times {\mathrm{13397}}^1$

素因数の和:13499

約数の個数: 48

約数和(自身を含む): 337629600

約数和(自身を除く): 208857636

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 89, 108, 178, 267, 356, 534, 801, 1068, 1602, 2403, 3204, 4806, 9612, 13397, 26794, 40191, 53588, 80382, 120573, 160764, 241146, 361719, 482292, 723438, 1192333, 1446876, 2384666, 3576999, 4769332, 7153998, 10730997, 14307996, 21461994, 32192991, 42923988, 64385982, 128771964]

約数ペア:

[(1, 128771964), (2, 64385982), (3, 42923988), (4, 32192991), (6, 21461994), (9, 14307996), (12, 10730997), (18, 7153998), (27, 4769332), (36, 3576999), (54, 2384666), (89, 1446876), (108, 1192333), (178, 723438), (267, 482292), (356, 361719), (534, 241146), (801, 160764), (1068, 120573), (1602, 80382), (2403, 53588), (3204, 40191), (4806, 26794), (9612, 13397)]