30253489

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{139}}^1$

素因数の和:253

約数の個数: 32

約数和(自身を含む): 38707200

約数和(自身を除く): 8453711

約数列:

[1, 7, 17, 31, 59, 119, 139, 217, 413, 527, 973, 1003, 1829, 2363, 3689, 4309, 7021, 8201, 12803, 16541, 30163, 31093, 57407, 73253, 139417, 217651, 254231, 512771, 975919, 1779617, 4321927, 30253489]

約数ペア:

[(1, 30253489), (7, 4321927), (17, 1779617), (31, 975919), (59, 512771), (119, 254231), (139, 217651), (217, 139417), (413, 73253), (527, 57407), (973, 31093), (1003, 30163), (1829, 16541), (2363, 12803), (3689, 8201), (4309, 7021)]