205397788

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{509}}^1\times {\mathrm{1277}}^1$

素因数の和:1869

約数の個数: 24

約数和(自身を含む): 364996800

約数和(自身を除く): 159599012

約数列:

[1, 2, 4, 79, 158, 316, 509, 1018, 1277, 2036, 2554, 5108, 40211, 80422, 100883, 160844, 201766, 403532, 649993, 1299986, 2599972, 51349447, 102698894, 205397788]

約数ペア:

[(1, 205397788), (2, 102698894), (4, 51349447), (79, 2599972), (158, 1299986), (316, 649993), (509, 403532), (1018, 201766), (1277, 160844), (2036, 100883), (2554, 80422), (5108, 40211)]