211678415

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{397}}^1\times {\mathrm{631}}^1$

素因数の和:1059

約数の個数: 24

約数和(自身を含む): 276186528

約数和(自身を除く): 64508113

約数列:

[1, 5, 13, 65, 169, 397, 631, 845, 1985, 3155, 5161, 8203, 25805, 41015, 67093, 106639, 250507, 335465, 533195, 1252535, 3256591, 16282955, 42335683, 211678415]

約数ペア:

[(1, 211678415), (5, 42335683), (13, 16282955), (65, 3256591), (169, 1252535), (397, 533195), (631, 335465), (845, 250507), (1985, 106639), (3155, 67093), (5161, 41015), (8203, 25805)]