78474487

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{211}}^1$

素因数の和:359

約数の個数: 32

約数和(自身を含む): 100104704

約数和(自身を除く): 21630217

約数列:

[1, 7, 13, 61, 67, 91, 211, 427, 469, 793, 871, 1477, 2743, 4087, 5551, 6097, 12871, 14137, 19201, 28609, 53131, 90097, 98959, 167323, 183781, 371917, 862357, 1171261, 1286467, 6036499, 11210641, 78474487]

約数ペア:

[(1, 78474487), (7, 11210641), (13, 6036499), (61, 1286467), (67, 1171261), (91, 862357), (211, 371917), (427, 183781), (469, 167323), (793, 98959), (871, 90097), (1477, 53131), (2743, 28609), (4087, 19201), (5551, 14137), (6097, 12871)]