538342105

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{643}}^1\times {\mathrm{1259}}^1$

素因数の和:1933

約数の個数: 32

約数和(自身を含む): 778982400

約数和(自身を除く): 240640295

約数列:

[1, 5, 7, 19, 35, 95, 133, 643, 665, 1259, 3215, 4501, 6295, 8813, 12217, 22505, 23921, 44065, 61085, 85519, 119605, 167447, 427595, 809537, 837235, 4047685, 5666759, 15381203, 28333795, 76906015, 107668421, 538342105]

約数ペア:

[(1, 538342105), (5, 107668421), (7, 76906015), (19, 28333795), (35, 15381203), (95, 5666759), (133, 4047685), (643, 837235), (665, 809537), (1259, 427595), (3215, 167447), (4501, 119605), (6295, 85519), (8813, 61085), (12217, 44065), (22505, 23921)]