13988845

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{241}}^1$

素因数の和:325

約数の個数: 32

約数和(自身を含む): 19514880

約数和(自身を除く): 5526035

約数列:

[1, 5, 13, 19, 47, 65, 95, 235, 241, 247, 611, 893, 1205, 1235, 3055, 3133, 4465, 4579, 11327, 11609, 15665, 22895, 56635, 58045, 59527, 147251, 215213, 297635, 736255, 1076065, 2797769, 13988845]

約数ペア:

[(1, 13988845), (5, 2797769), (13, 1076065), (19, 736255), (47, 297635), (65, 215213), (95, 147251), (235, 59527), (241, 58045), (247, 56635), (611, 22895), (893, 15665), (1205, 11609), (1235, 11327), (3055, 4579), (3133, 4465)]