28068890

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{1523}}^1$

素因数の和:1646

約数の個数: 32

約数和(自身を含む): 53766720

約数和(自身を除く): 25697830

約数列:

[1, 2, 5, 10, 19, 38, 95, 97, 190, 194, 485, 970, 1523, 1843, 3046, 3686, 7615, 9215, 15230, 18430, 28937, 57874, 144685, 147731, 289370, 295462, 738655, 1477310, 2806889, 5613778, 14034445, 28068890]

約数ペア:

[(1, 28068890), (2, 14034445), (5, 5613778), (10, 2806889), (19, 1477310), (38, 738655), (95, 295462), (97, 289370), (190, 147731), (194, 144685), (485, 57874), (970, 28937), (1523, 18430), (1843, 15230), (3046, 9215), (3686, 7615)]