81423778

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{241}}^1\times {\mathrm{523}}^1$

素因数の和:802

約数の個数: 32

約数和(自身を含む): 136952640

約数和(自身を除く): 55528862

約数列:

[1, 2, 17, 19, 34, 38, 241, 323, 482, 523, 646, 1046, 4097, 4579, 8194, 8891, 9158, 9937, 17782, 19874, 77843, 126043, 155686, 168929, 252086, 337858, 2142731, 2394817, 4285462, 4789634, 40711889, 81423778]

約数ペア:

[(1, 81423778), (2, 40711889), (17, 4789634), (19, 4285462), (34, 2394817), (38, 2142731), (241, 337858), (323, 252086), (482, 168929), (523, 155686), (646, 126043), (1046, 77843), (4097, 19874), (4579, 17782), (8194, 9937), (8891, 9158)]