78017876

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{97}}^1\times {\mathrm{557}}^1$

素因数の和:696

約数の個数: 36

約数和(自身を含む): 145842228

約数和(自身を除く): 67824352

約数列:

[1, 2, 4, 19, 38, 76, 97, 194, 361, 388, 557, 722, 1114, 1444, 1843, 2228, 3686, 7372, 10583, 21166, 35017, 42332, 54029, 70034, 108058, 140068, 201077, 216116, 402154, 804308, 1026551, 2053102, 4106204, 19504469, 39008938, 78017876]

約数ペア:

[(1, 78017876), (2, 39008938), (4, 19504469), (19, 4106204), (38, 2053102), (76, 1026551), (97, 804308), (194, 402154), (361, 216116), (388, 201077), (557, 140068), (722, 108058), (1114, 70034), (1444, 54029), (1843, 42332), (2228, 35017), (3686, 21166), (7372, 10583)]