215920231105

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{1512947}}^1$

素因数の和:1513065

約数の個数: 32

約数和(自身を含む): 290195529984

約数和(自身を除く): 74275298879

約数列:

[1, 5, 17, 23, 73, 85, 115, 365, 391, 1241, 1679, 1955, 6205, 8395, 28543, 142715, 1512947, 7564735, 25720099, 34797781, 110445131, 128600495, 173988905, 552225655, 591562277, 1877567227, 2540238013, 2957811385, 9387836135, 12701190065, 43184046221, 215920231105]

約数ペア:

[(1, 215920231105), (5, 43184046221), (17, 12701190065), (23, 9387836135), (73, 2957811385), (85, 2540238013), (115, 1877567227), (365, 591562277), (391, 552225655), (1241, 173988905), (1679, 128600495), (1955, 110445131), (6205, 34797781), (8395, 25720099), (28543, 7564735), (142715, 1512947)]