306985147

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{2213}}^1$

素因数の和:2395

約数の個数: 24

約数和(自身を含む): 378594000

約数和(自身を除く): 71608853

約数列:

[1, 7, 19, 49, 133, 149, 931, 1043, 2213, 2831, 7301, 15491, 19817, 42047, 108437, 138719, 294329, 329737, 2060303, 2308159, 6265003, 16157113, 43855021, 306985147]

約数ペア:

[(1, 306985147), (7, 43855021), (19, 16157113), (49, 6265003), (133, 2308159), (149, 2060303), (931, 329737), (1043, 294329), (2213, 138719), (2831, 108437), (7301, 42047), (15491, 19817)]