258375481

素因数分解:

$7^2\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{761}}^1$

素因数の和:842

約数の個数: 36

約数和(自身を含む): 333833724

約数和(自身を除く): 75458243

約数列:

[1, 7, 13, 41, 49, 91, 169, 287, 533, 637, 761, 1183, 2009, 3731, 5327, 6929, 8281, 9893, 26117, 31201, 37289, 48503, 69251, 128609, 218407, 339521, 405613, 484757, 900263, 1528849, 2839291, 5272969, 6301841, 19875037, 36910783, 258375481]

約数ペア:

[(1, 258375481), (7, 36910783), (13, 19875037), (41, 6301841), (49, 5272969), (91, 2839291), (169, 1528849), (287, 900263), (533, 484757), (637, 405613), (761, 339521), (1183, 218407), (2009, 128609), (3731, 69251), (5327, 48503), (6929, 37289), (8281, 31201), (9893, 26117)]