28765828

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{6079}}^1$

素因数の和:6116

約数の個数: 36

約数和(自身を含む): 62307840

約数和(自身を除く): 33542012

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 169, 182, 338, 364, 676, 1183, 2366, 4732, 6079, 12158, 24316, 42553, 79027, 85106, 158054, 170212, 316108, 553189, 1027351, 1106378, 2054702, 2212756, 4109404, 7191457, 14382914, 28765828]

約数ペア:

[(1, 28765828), (2, 14382914), (4, 7191457), (7, 4109404), (13, 2212756), (14, 2054702), (26, 1106378), (28, 1027351), (52, 553189), (91, 316108), (169, 170212), (182, 158054), (338, 85106), (364, 79027), (676, 42553), (1183, 24316), (2366, 12158), (4732, 6079)]