201975319

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{157}}^1\times {\mathrm{211}}^1$

素因数の和:455

約数の個数: 32

約数和(自身を含む): 255105536

約数和(自身を除く): 53130217

約数列:

[1, 7, 13, 67, 91, 157, 211, 469, 871, 1099, 1477, 2041, 2743, 6097, 10519, 14137, 14287, 19201, 33127, 73633, 98959, 136747, 183781, 231889, 430651, 957229, 1286467, 2219509, 3014557, 15536563, 28853617, 201975319]

約数ペア:

[(1, 201975319), (7, 28853617), (13, 15536563), (67, 3014557), (91, 2219509), (157, 1286467), (211, 957229), (469, 430651), (871, 231889), (1099, 183781), (1477, 136747), (2041, 98959), (2743, 73633), (6097, 33127), (10519, 19201), (14137, 14287)]