168171815

素因数分解:

$5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{227}}^1\times {\mathrm{347}}^1$

素因数の和:647

約数の個数: 32

約数和(自身を含む): 236127744

約数和(自身を除く): 67955929

約数列:

[1, 5, 7, 35, 61, 227, 305, 347, 427, 1135, 1589, 1735, 2135, 2429, 7945, 12145, 13847, 21167, 69235, 78769, 96929, 105835, 148169, 393845, 484645, 551383, 740845, 2756915, 4804909, 24024545, 33634363, 168171815]

約数ペア:

[(1, 168171815), (5, 33634363), (7, 24024545), (35, 4804909), (61, 2756915), (227, 740845), (305, 551383), (347, 484645), (427, 393845), (1135, 148169), (1589, 105835), (1735, 96929), (2135, 78769), (2429, 69235), (7945, 21167), (12145, 13847)]