2781869702995

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{7477}}^1\times {\mathrm{17789}}^1$

素因数の和:25407

約数の個数: 32

約数和(自身を含む): 3448231430400

約数和(自身を除く): 666361727405

約数列:

[1, 5, 47, 89, 235, 445, 4183, 7477, 17789, 20915, 37385, 88945, 351419, 665453, 836083, 1583221, 1757095, 3327265, 4180415, 7916105, 31276291, 74411387, 133008353, 156381455, 372056935, 665041765, 6251392591, 11837743417, 31256962955, 59188717085, 556373940599, 2781869702995]

約数ペア:

[(1, 2781869702995), (5, 556373940599), (47, 59188717085), (89, 31256962955), (235, 11837743417), (445, 6251392591), (4183, 665041765), (7477, 372056935), (17789, 156381455), (20915, 133008353), (37385, 74411387), (88945, 31276291), (351419, 7916105), (665453, 4180415), (836083, 3327265), (1583221, 1757095)]