28493790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73061}}^1$

素因数の和:73084

約数の個数: 32

約数和(自身を含む): 73646496

約数和(自身を除く): 45152706

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 73061, 146122, 219183, 365305, 438366, 730610, 949793, 1095915, 1899586, 2191830, 2849379, 4748965, 5698758, 9497930, 14246895, 28493790]

約数ペア:

[(1, 28493790), (2, 14246895), (3, 9497930), (5, 5698758), (6, 4748965), (10, 2849379), (13, 2191830), (15, 1899586), (26, 1095915), (30, 949793), (39, 730610), (65, 438366), (78, 365305), (130, 219183), (195, 146122), (390, 73061)]