30749719

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{139}}^1$

素因数の和:200

約数の個数: 48

約数和(自身を含む): 44271360

約数和(自身を除く): 13521641

約数列:

[1, 7, 11, 13, 17, 77, 91, 119, 139, 143, 169, 187, 221, 973, 1001, 1183, 1309, 1529, 1547, 1807, 1859, 2363, 2431, 2873, 10703, 12649, 13013, 16541, 17017, 19877, 20111, 23491, 25993, 30719, 31603, 139139, 164437, 181951, 215033, 221221, 258401, 337909, 399347, 1808807, 2365363, 2795429, 4392817, 30749719]

約数ペア:

[(1, 30749719), (7, 4392817), (11, 2795429), (13, 2365363), (17, 1808807), (77, 399347), (91, 337909), (119, 258401), (139, 221221), (143, 215033), (169, 181951), (187, 164437), (221, 139139), (973, 31603), (1001, 30719), (1183, 25993), (1309, 23491), (1529, 20111), (1547, 19877), (1807, 17017), (1859, 16541), (2363, 13013), (2431, 12649), (2873, 10703)]