28942810

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{887}}^1$

素因数の和:1158

約数の個数: 32

約数和(自身を含む): 56391552

約数和(自身を除く): 27448742

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 251, 502, 887, 1255, 1774, 2510, 3263, 4435, 6526, 8870, 11531, 16315, 23062, 32630, 57655, 115310, 222637, 445274, 1113185, 2226370, 2894281, 5788562, 14471405, 28942810]

約数ペア:

[(1, 28942810), (2, 14471405), (5, 5788562), (10, 2894281), (13, 2226370), (26, 1113185), (65, 445274), (130, 222637), (251, 115310), (502, 57655), (887, 32630), (1255, 23062), (1774, 16315), (2510, 11531), (3263, 8870), (4435, 6526)]