1242042008

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{431}}^1\times {\mathrm{18959}}^1$

素因数の和:19415

約数の個数: 32

約数和(自身を含む): 2457216000

約数和(自身を除く): 1215173992

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 431, 862, 1724, 3448, 8189, 16378, 18959, 32756, 37918, 65512, 75836, 151672, 360221, 720442, 1440884, 2881768, 8171329, 16342658, 32685316, 65370632, 155255251, 310510502, 621021004, 1242042008]

約数ペア:

[(1, 1242042008), (2, 621021004), (4, 310510502), (8, 155255251), (19, 65370632), (38, 32685316), (76, 16342658), (152, 8171329), (431, 2881768), (862, 1440884), (1724, 720442), (3448, 360221), (8189, 151672), (16378, 75836), (18959, 65512), (32756, 37918)]