1900646839

素因数分解:

$7^2\times {\mathrm{13}}^2\times {\mathrm{229519}}^1$

素因数の和:229559

約数の個数: 18

約数和(自身を含む): 2394123120

約数和(自身を除く): 493476281

約数列:

[1, 7, 13, 49, 91, 169, 637, 1183, 8281, 229519, 1606633, 2983747, 11246431, 20886229, 38788711, 146203603, 271520977, 1900646839]

約数ペア:

[(1, 1900646839), (7, 271520977), (13, 146203603), (49, 38788711), (91, 20886229), (169, 11246431), (637, 2983747), (1183, 1606633), (8281, 229519)]