81818036

素因数分解:

$2^2\times {\mathrm{179}}^1\times {\mathrm{229}}^1\times {\mathrm{499}}^1$

素因数の和:911

約数の個数: 24

約数和(自身を含む): 144900000

約数和(自身を除く): 63081964

約数列:

[1, 2, 4, 179, 229, 358, 458, 499, 716, 916, 998, 1996, 40991, 81982, 89321, 114271, 163964, 178642, 228542, 357284, 457084, 20454509, 40909018, 81818036]

約数ペア:

[(1, 81818036), (2, 40909018), (4, 20454509), (179, 457084), (229, 357284), (358, 228542), (458, 178642), (499, 163964), (716, 114271), (916, 89321), (998, 81982), (1996, 40991)]