77412556

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{389}}^1$

素因数の和:538

約数の個数: 48

約数和(自身を含む): 151351200

約数和(自身を除く): 73938644

約数列:

[1, 2, 4, 13, 26, 43, 52, 86, 89, 172, 178, 356, 389, 559, 778, 1118, 1157, 1556, 2236, 2314, 3827, 4628, 5057, 7654, 10114, 15308, 16727, 20228, 33454, 34621, 49751, 66908, 69242, 99502, 138484, 199004, 217451, 434902, 450073, 869804, 900146, 1488703, 1800292, 2977406, 5954812, 19353139, 38706278, 77412556]

約数ペア:

[(1, 77412556), (2, 38706278), (4, 19353139), (13, 5954812), (26, 2977406), (43, 1800292), (52, 1488703), (86, 900146), (89, 869804), (172, 450073), (178, 434902), (356, 217451), (389, 199004), (559, 138484), (778, 99502), (1118, 69242), (1157, 66908), (1556, 49751), (2236, 34621), (2314, 33454), (3827, 20228), (4628, 16727), (5057, 15308), (7654, 10114)]