42781990

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{2689}}^1$

素因数の和:2776

約数の個数: 32

約数和(自身を含む): 80958240

約数和(自身を除く): 38176250

約数列:

[1, 2, 5, 10, 37, 43, 74, 86, 185, 215, 370, 430, 1591, 2689, 3182, 5378, 7955, 13445, 15910, 26890, 99493, 115627, 198986, 231254, 497465, 578135, 994930, 1156270, 4278199, 8556398, 21390995, 42781990]

約数ペア:

[(1, 42781990), (2, 21390995), (5, 8556398), (10, 4278199), (37, 1156270), (43, 994930), (74, 578135), (86, 497465), (185, 231254), (215, 198986), (370, 115627), (430, 99493), (1591, 26890), (2689, 15910), (3182, 13445), (5378, 7955)]