78781417

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1409}}^1$

素因数の和:1473

約数の個数: 32

約数和(自身を含む): 102332160

約数和(自身を除く): 23550743

約数列:

[1, 11, 13, 17, 23, 143, 187, 221, 253, 299, 391, 1409, 2431, 3289, 4301, 5083, 15499, 18317, 23953, 32407, 55913, 201487, 263483, 311389, 356477, 421291, 550919, 3425279, 4634201, 6060109, 7161947, 78781417]

約数ペア:

[(1, 78781417), (11, 7161947), (13, 6060109), (17, 4634201), (23, 3425279), (143, 550919), (187, 421291), (221, 356477), (253, 311389), (299, 263483), (391, 201487), (1409, 55913), (2431, 32407), (3289, 23953), (4301, 18317), (5083, 15499)]