158910185

素因数分解:

$5^1\times 7^5\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:132

約数の個数: 48

約数和(自身を含む): 233413632

約数和(自身を除く): 74503447

約数列:

[1, 5, 7, 31, 35, 49, 61, 155, 217, 245, 305, 343, 427, 1085, 1519, 1715, 1891, 2135, 2401, 2989, 7595, 9455, 10633, 12005, 13237, 14945, 16807, 20923, 53165, 66185, 74431, 84035, 92659, 104615, 146461, 372155, 463295, 521017, 648613, 732305, 1025227, 2605085, 3243065, 4540291, 5126135, 22701455, 31782037, 158910185]

約数ペア:

[(1, 158910185), (5, 31782037), (7, 22701455), (31, 5126135), (35, 4540291), (49, 3243065), (61, 2605085), (155, 1025227), (217, 732305), (245, 648613), (305, 521017), (343, 463295), (427, 372155), (1085, 146461), (1519, 104615), (1715, 92659), (1891, 84035), (2135, 74431), (2401, 66185), (2989, 53165), (7595, 20923), (9455, 16807), (10633, 14945), (12005, 13237)]