640411146

素因数分解:

$2^1\times 3^2\times {\mathrm{197}}^1\times {\mathrm{313}}^1\times {\mathrm{577}}^1$

素因数の和:1095

約数の個数: 48

約数和(自身を含む): 1401481224

約数和(自身を除く): 761070078

約数列:

[1, 2, 3, 6, 9, 18, 197, 313, 394, 577, 591, 626, 939, 1154, 1182, 1731, 1773, 1878, 2817, 3462, 3546, 5193, 5634, 10386, 61661, 113669, 123322, 180601, 184983, 227338, 341007, 361202, 369966, 541803, 554949, 682014, 1023021, 1083606, 1109898, 1625409, 2046042, 3250818, 35578397, 71156794, 106735191, 213470382, 320205573, 640411146]

約数ペア:

[(1, 640411146), (2, 320205573), (3, 213470382), (6, 106735191), (9, 71156794), (18, 35578397), (197, 3250818), (313, 2046042), (394, 1625409), (577, 1109898), (591, 1083606), (626, 1023021), (939, 682014), (1154, 554949), (1182, 541803), (1731, 369966), (1773, 361202), (1878, 341007), (2817, 227338), (3462, 184983), (3546, 180601), (5193, 123322), (5634, 113669), (10386, 61661)]