28120716

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^1\times {\mathrm{20029}}^1$

素因数の和:20055

約数の個数: 48

約数和(自身を含む): 78517600

約数和(自身を除く): 50396884

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 108, 117, 156, 234, 351, 468, 702, 1404, 20029, 40058, 60087, 80116, 120174, 180261, 240348, 260377, 360522, 520754, 540783, 721044, 781131, 1041508, 1081566, 1562262, 2163132, 2343393, 3124524, 4686786, 7030179, 9373572, 14060358, 28120716]

約数ペア:

[(1, 28120716), (2, 14060358), (3, 9373572), (4, 7030179), (6, 4686786), (9, 3124524), (12, 2343393), (13, 2163132), (18, 1562262), (26, 1081566), (27, 1041508), (36, 781131), (39, 721044), (52, 540783), (54, 520754), (78, 360522), (108, 260377), (117, 240348), (156, 180261), (234, 120174), (351, 80116), (468, 60087), (702, 40058), (1404, 20029)]