2781216103655

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{2031397}}^1$

素因数の和:2031528

約数の個数: 48

約数和(自身を含む): 3838659670272

約数和(自身を除く): 1057443566617

約数列:

[1, 5, 11, 31, 55, 73, 121, 155, 341, 365, 605, 803, 1705, 2263, 3751, 4015, 8833, 11315, 18755, 24893, 44165, 124465, 273823, 1369115, 2031397, 10156985, 22345367, 62973307, 111726835, 148291981, 245799037, 314866535, 692706377, 741459905, 1228995185, 1631211791, 3463531885, 4597051411, 7619770147, 8156058955, 17943329701, 22985257055, 38098850735, 50567565521, 89716648505, 252837827605, 556243220731, 2781216103655]

約数ペア:

[(1, 2781216103655), (5, 556243220731), (11, 252837827605), (31, 89716648505), (55, 50567565521), (73, 38098850735), (121, 22985257055), (155, 17943329701), (341, 8156058955), (365, 7619770147), (605, 4597051411), (803, 3463531885), (1705, 1631211791), (2263, 1228995185), (3751, 741459905), (4015, 692706377), (8833, 314866535), (11315, 245799037), (18755, 148291981), (24893, 111726835), (44165, 62973307), (124465, 22345367), (273823, 10156985), (1369115, 2031397)]