856556815

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^2$

素因数の和:260

約数の個数: 48

約数和(自身を含む): 1157711616

約数和(自身を除く): 301154801

約数列:

[1, 5, 17, 31, 61, 73, 85, 155, 305, 365, 527, 1037, 1241, 1891, 2263, 2635, 4453, 5185, 5329, 6205, 9455, 11315, 22265, 26645, 32147, 38471, 75701, 90593, 138043, 160735, 165199, 192355, 325069, 378505, 452965, 690215, 825995, 1625345, 2346731, 2808383, 5526173, 10077139, 11733655, 14041915, 27630865, 50385695, 171311363, 856556815]

約数ペア:

[(1, 856556815), (5, 171311363), (17, 50385695), (31, 27630865), (61, 14041915), (73, 11733655), (85, 10077139), (155, 5526173), (305, 2808383), (365, 2346731), (527, 1625345), (1037, 825995), (1241, 690215), (1891, 452965), (2263, 378505), (2635, 325069), (4453, 192355), (5185, 165199), (5329, 160735), (6205, 138043), (9455, 90593), (11315, 75701), (22265, 38471), (26645, 32147)]