128268816

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{205559}}^1$

素因数の和:205583

約数の個数: 40

約数和(自身を含む): 356852160

約数和(自身を除く): 228583344

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 205559, 411118, 616677, 822236, 1233354, 1644472, 2466708, 2672267, 3288944, 4933416, 5344534, 8016801, 9866832, 10689068, 16033602, 21378136, 32067204, 42756272, 64134408, 128268816]

約数ペア:

[(1, 128268816), (2, 64134408), (3, 42756272), (4, 32067204), (6, 21378136), (8, 16033602), (12, 10689068), (13, 9866832), (16, 8016801), (24, 5344534), (26, 4933416), (39, 3288944), (48, 2672267), (52, 2466708), (78, 1644472), (104, 1233354), (156, 822236), (208, 616677), (312, 411118), (624, 205559)]