12891271679

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{191}}^1\times {\mathrm{20521}}^1$

素因数の和:20759

約数の個数: 32

約数和(自身を含む): 15886983168

約数和(自身を除く): 2995711489

約数列:

[1, 11, 13, 23, 143, 191, 253, 299, 2101, 2483, 3289, 4393, 20521, 27313, 48323, 57109, 225731, 266773, 471983, 628199, 2934503, 3919511, 5191813, 6135779, 43114621, 50953643, 67493569, 90148753, 560490073, 991636283, 1171933789, 12891271679]

約数ペア:

[(1, 12891271679), (11, 1171933789), (13, 991636283), (23, 560490073), (143, 90148753), (191, 67493569), (253, 50953643), (299, 43114621), (2101, 6135779), (2483, 5191813), (3289, 3919511), (4393, 2934503), (20521, 628199), (27313, 471983), (48323, 266773), (57109, 225731)]