12891210

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{431}}^1\times {\mathrm{997}}^1$

素因数の和:1438

約数の個数: 32

約数和(自身を含む): 31041792

約数和(自身を除く): 18150582

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 431, 862, 997, 1293, 1994, 2155, 2586, 2991, 4310, 4985, 5982, 6465, 9970, 12930, 14955, 29910, 429707, 859414, 1289121, 2148535, 2578242, 4297070, 6445605, 12891210]

約数ペア:

[(1, 12891210), (2, 6445605), (3, 4297070), (5, 2578242), (6, 2148535), (10, 1289121), (15, 859414), (30, 429707), (431, 29910), (862, 14955), (997, 12930), (1293, 9970), (1994, 6465), (2155, 5982), (2586, 4985), (2991, 4310)]