128942196

素因数分解:

$2^2\times 3^1\times {\mathrm{421}}^1\times {\mathrm{25523}}^1$

素因数の和:25951

約数の個数: 24

約数和(自身を含む): 301591584

約数和(自身を除く): 172649388

約数列:

[1, 2, 3, 4, 6, 12, 421, 842, 1263, 1684, 2526, 5052, 25523, 51046, 76569, 102092, 153138, 306276, 10745183, 21490366, 32235549, 42980732, 64471098, 128942196]

約数ペア:

[(1, 128942196), (2, 64471098), (3, 42980732), (4, 32235549), (6, 21490366), (12, 10745183), (421, 306276), (842, 153138), (1263, 102092), (1684, 76569), (2526, 51046), (5052, 25523)]